Missing Records for Citizenship by Descent: What to Do

A missing record doesn’t have to end a claim, but you can’t simply leave a gap. Get a written statement from the office that should hold the record saying it isn’t there and why, ask whether the record can be rebuilt, and then file the substitutes your authority accepts. Italy and Poland have legal procedures to restore a lost record. Germany accepts written evidence that shows your case with sufficient probability. For US naturalization, the formal negative proof is a USCIS Certificate of Non-Existence, backed by searches of the National Archives and local courts.

This guide is about gaps. For the full list of what each generation needs, use our document chain guide. If the record exists under another name, see when an ancestor’s name differs across records.

The short answer

Check it’s really missing. Many “missing” records were filed under another spelling, in another county, or have moved to an archive.
Get the negative in writing. Toronto’s Italian consulate wants a statement that the record doesn’t exist which also explains why.
Ask for reconstruction. Italy’s Article 98 and Poland’s Article 133 allow a destroyed record to be restored from other documents.
Then use substitutes. Baptism records, old passports, census transcripts and similar evidence count only where the authority accepts them.

First, check the record is really missing

A failed search often says more about the search than the record. USCIS says some “no record” answers come from a very common name, or from a request with too little detail to tell one immigrant from another. Before you treat a record as lost:

Search every name variant. USCIS asks for variant spellings and aliases, and the National Archives asks for known variants.
Look in the right custody. Polish birth records stay with the civil registry office for 100 years and marriage and death records for 80, and older books go to state archives (Articles 28 and 128 of the Civil Status Records Act). US naturalization records can be with USCIS, the National Archives, a state archive, a county historical society or a court.
Check records from lost territories. Warsaw’s civil registry office holds registers from areas that were Polish until 1945 and were absorbed into the USSR after the war. Standesamt I in Berlin keeps German registers from areas where no German registrar works any more.

Get the negative result in writing

A negative statement shows the authority that you looked and what the office found. Each office has its own form of it, and most say something narrower than “this never existed”.

USCIS Certificate of Non-Existence. File Form G-1566. It certifies that USCIS did not find the type of record you named, searching records in its custody. USCIS asks for all possible names, aliases and dates of birth, plus proof of death for anyone born less than 100 years ago. Its genealogy FAQ lists a fee of $330 on paper and $280 online. Details are in our US naturalization records guide.
National Archives negative search letter. It says only that the record wasn’t found in the National Archives’ possession, not that it doesn’t exist.
State Letter of No Record. USA.gov says a state vital records office that can’t find a birth record issues a letter with the name, date of birth, years searched and confirmation that nothing was found.
Italian comune letter. Where no civil registry existed yet, Toronto and Manchester want a letter from the comune confirming that.
Polish certificate of not holding the book. The registry office issues a “zaświadczenie o nieposiadaniu księgi” if a book was lost or destroyed. It states the type of book, the years, the office and the circumstances (Article 133).
Berlin negative notice. If nothing is found in the Standesamt I registers held at the Landesarchiv Berlin, you can get a certified “Negativbescheid” by post.

When a birth or marriage record is missing

Italy

Tell the consulate why. Toronto’s FAQ asks for a written statement from the vital records office that the document doesn’t exist, explaining why, and says it will then decide if and how you should proceed.

Births before civil registers. Toronto wants a parish baptismal certificate with the pastor’s signature authenticated by the bishop’s office, plus the comune’s written confirmation that no registry office existed at that date. Manchester asks for an original baptism certificate and a municipal letter giving the year the register began.
Records from other countries. Toronto says no to a baptismal certificate in place of a foreign civil birth certificate, unless the office’s written statement and other documents are deemed sufficient.
Rebuilding a record held in Italy. Since the 2022 reform, Article 98(2-bis) of Presidential Decree 396/2000 lets the civil status officer restore a destroyed or lost record at the request of anyone with an interest, but only if the officer has documentary proof that the record was made and of its essential content. Otherwise, Article 95 sends the request to the tribunal by petition.

Poland

Poland’s Civil Status Records Act has three routes, which are worth knowing because they let you end up with a normal Polish record:

Lost or destroyed Polish books (Article 133). Once the certificate of not holding the book is issued, the content can be restored on the application of the person concerned or someone with a legal interest. It is based on a full copy of the record, the collected files, a copy of the book or other documents you supply. The registrar refuses if those can’t show the event actually happened, or if a document’s authenticity is in doubt. Warsaw’s city guide says the result is a full copy of the record or a refusal decision.
Pre-1946 church extracts (Article 132). Extracts from religious registers kept before 1 January 1946 aren’t official documents, but their content can be entered in the civil register if the book was lost, destroyed or isn’t held by the registry office.
Foreign records you can’t get a copy of (Article 109). The content of a foreign record can be restored if a copy is impossible or very hard to obtain, based on a document confirming the event or a certified copy of it.

The voivode deciding a citizenship confirmation can also ask for further information and documents. The Polish consular page mentions baptism certificates and copies of parents’ or grandparents’ Polish documents among the evidence.

Germany

Germany has the most useful rule for applicants with gaps. Section 30 of the Nationality Act says it is “necessary but also sufficient” to show, by documents, registration extracts or other written evidence and with sufficient probability, that citizenship was acquired and not lost afterwards. It doesn’t ask for one particular certificate.

Useful evidence. The Federal Office of Administration’s information sheet (May 2022 version) lists old passports, identity papers, Heimatscheine, extracts from former family registers and citizen lists, proof of military service or civil service, registration confirmations and naturalization certificates. Birth and marriage records are still required back through the line.
Former eastern territories. Standesamt I in Berlin keeps registers from areas with no German registrar (section 72 of the Civil Status Regulation). Berlin’s service page says registers from the former eastern Prussian provinces at the Landesarchiv mainly cover 1 October 1874 to 31 December 1946, and that the collection is incomplete. Standesamt I’s own holdings list warns of gaps caused by the war.
Lost registers. Section 8 of the Civil Status Act says a lost register is rebuilt from its backup, and if both are lost, by a new entry after an official inquiry. Ask the registry office whether this can help with a historic book.

Ireland

The Foreign Births Register asks for an original civil birth certificate, and its FAQ makes one exception for missing civil records: for a grandparent born before 1864, “when Irish civil birth registrations began”, it accepts a baptismal certificate. We found no published alternative for later births, so contact the Foreign Birth Registration office if a certificate can’t be found.

Many people assume the 1922 fire is the problem. It destroyed most records inside the Public Record Office, whose collections included census records, wills and parish registers. But the General Register Office lists its birth indexes from 1 January 1864 and marriage indexes from 1 April 1845, so search there first. See our guide to Irish and British ancestry records.

Czech Republic

Czech missions treat this as a research problem. The Consulate General in Los Angeles says you can apply for duplicates of Czech civil records if you have enough information, and can use archival research if you don’t. The consulate itself doesn’t do that research.

The Embassy in Washington suggests gathering old documents, saying passports, domicile certificates “and even school reports could help”. It warns that cases involving people who left Czechoslovakia before 1953 need archival research of at least six months and that the outcome can’t be reliably predicted. See our guide to Czech citizenship by declaration.

When a naturalization record is missing

Start by working out who should hold the record. There is no central index, the National Archives says, and the answer depends on the date and the court:

Before 27 September 1906. Each court kept its own records. Federal court originals are at the National Archives. State and local court records are often at state archives or county historical societies. USCIS doesn’t hold these court records, though its Certificate Files include replacements of some old-law certificates.
27 September 1906 to 31 March 1956. USCIS holds duplicates from all courts in Certificate Files. Originals stayed with the courts, and federal court originals are at the National Archives.
From 1 April 1956. Records were filed in A-Files, and federal court records up to October 1991 are at the National Archives. Federal courts in some states still hold their own.

Records can also be gone even when the index says otherwise. USCIS says its indices refer to many files that no longer survive, and that in such a case the response letter gives what the index holds and explains that the file is unavailable. Keep that letter. The court’s copy may still exist.

What consulates want when nothing turns up. The never-naturalized guide covers the full package. Detroit’s Italian consulate is a good example of how far it goes. It wants letters of no record from USCIS and the National Archives, an apostilled declaration from every county where the ancestor lived, and one more item: a census dated after the next-in-line relative became an adult, proof of alien status such as an AR-2 form, or an Italian passport or green card from that period. Elsewhere, Manchester asks for a declaration from each country where the ancestor lived.

Women and children. The National Archives explains that under the 1855 law a foreign woman generally became a citizen through marriage to a citizen or her husband’s naturalization. If he naturalized before 27 September 1906, she may or may not be mentioned in the record, and her proof would be the marriage certificate together with his naturalization record. The Cable Act of 22 September 1922 ended this, so a file in a married woman’s own name from before then may never have existed. USCIS says that where no match is found it may try to find a record for another family member named in the request, so name the husband.

US substitutes when a record can’t be found

Census age search. The Census Bureau will search the 1910 to 2020 censuses and issue an official transcript for use where a birth or other certificate “may be needed but is not available”. It costs $155 for one person in one census on Form BC-600. For someone deceased, an immediate relative, surviving spouse, executor or beneficiary signs, with a death certificate. State of birth and citizenship are given only for 1910 to 1950.
Secondary birth evidence. USA.gov lists hospital birth certificates, baptism certificates, census records and early school records as secondary evidence alongside a Letter of No Record.
Registry Files for a missing arrival record. From 1929, people who entered before 1 July 1924 and whose arrival record couldn’t be found could have one created. USCIS holds about 250,000 Registry Files, with applications, testimony and evidence of arrival and residence.
Destroyed military files. The 1973 fire at the National Personnel Records Center destroyed an estimated 80% of Army files for discharges from 1 November 1912 to 1 January 1960, and 75% of Air Force files for discharges from 25 September 1947 to 1 January 1964, for names after Hubbard, James E. The Center rebuilds basic service details from other sources, such as Veterans Administration claims and state records.

How USCIS itself treats gaps. Its regulation, 8 CFR 103.2(b)(2), is a clear model. If a required document can’t be obtained, you must show that and submit secondary evidence, such as church or school records. If that isn’t available either, you must show both are unavailable and submit two or more affidavits from people with direct personal knowledge. It applies to USCIS applications, not to foreign consulates, but building your evidence in that order is sensible anywhere.

How to present a gap in your application

Ask before you pay. Send the negative statement to the authority first, as Toronto instructs, so you don’t buy apostilles and translations for substitutes it won’t accept.
Write one page on the gap. State what is missing, who you asked, on what date and what they said.
Attach the originals of negative statements. Detroit wants original statements with the office seal, and its checklist asks for the envelope USCIS sent the letter in.
Show each generation still connects. Use the substitutes to tie the person above the gap to the person below it. Our church records guide and apostille guide cover how to prepare them.

Frequently asked questions

What do I do if my ancestor’s birth record was destroyed?

Get a written statement from the office that should hold it, saying the record doesn’t exist and why. Then ask whether it can be rebuilt: Italy and Poland both have a legal procedure for restoring a lost or destroyed record if the content can be shown from other documents. If it can’t, send the statement to the authority handling your claim and ask which substitutes it accepts.

Can a baptism certificate replace a birth certificate?

Only in set cases. Ireland accepts one for a grandparent born before civil birth registration began in 1864. Italian consulates in Toronto and Manchester accept one when no civil registry existed yet, with a letter from the comune confirming that. Otherwise Toronto wants the civil record. See our guide to church records for the details by country.

What is the difference between a no-record letter and a Certificate of Non-Existence?

A USCIS “no record” letter is the result of a genealogy index search. It means nothing in the index matched what you provided. A Certificate of Non-Existence is a separate request on Form G-1566, and it certifies that USCIS did not find the type of record you specified among the records in its custody. Neither one covers the courts’ pre-1906 naturalization records.

Can the National Archives certify that no naturalization record exists?

No. The National Archives says it can only issue a negative search letter, and that a negative result only means the record was not found in its own possession, not that the record doesn’t exist. For citizenship records after 1906 it points to USCIS, which can issue a Certification of Non-Existence.

Can a sworn affidavit replace a missing record?

For USCIS, only as a last resort: its regulation requires secondary evidence first, then two or more affidavits from people with direct personal knowledge. That rule doesn’t bind foreign authorities. The Italian consular pages we read don’t offer affidavits as a substitute, and Germany asks for written evidence, so ask your authority before relying on one.

What if my grandmother has no naturalization record of her own?

That can be normal. Before the Cable Act of 22 September 1922, a foreign woman generally became a US citizen through marriage to a citizen or her husband’s naturalization, so she might not appear in any court record of her own. The National Archives says her proof could be the marriage certificate together with her husband’s naturalization record.

Does the 1890 census fire affect my claim?

It leaves a gap in your research. The National Archives says a fire on 10 January 1921 destroyed most of the 1890 census, though some fragments survive, so use other census years. Where a consulate wants a census, check which one: Detroit’s Italian consulate asks for one dated after the next-in-line relative became an adult.

Official sources

Checked against these sources on 6 November 2026. The USCIS fee comes from its genealogy FAQ, because the fee schedule page didn’t show amounts in our check, so confirm it on Form G-1055. The State Department’s travel site and ssa.gov refused automated access, so US passport evidence rules and Social Security application requests are not covered here. Only the authority deciding your application can say whether your evidence is enough.