Lost Canadians: How to Reclaim Your Citizenship Under Bill C-3
For years, millions of people with Canadian ancestry were denied citizenship because of an arbitrary generational cutoff. Bill C-3 changed that. Here is who the Lost Canadians are, what happened, and how to reclaim your citizenship.
Who Are the Lost Canadians?
"Lost Canadians" is a term used to describe people who were denied Canadian citizenship — or had it taken away — due to outdated or unfair provisions in Canada's citizenship laws. The term has been used over the decades to describe several different groups, but in 2026, it most commonly refers to Americans (and others born abroad) whose Canadian citizenship was blocked by the first-generation limit imposed in 2009.
Before 2009, Canadian citizenship could be passed down through multiple generations born outside Canada with relatively few restrictions. A person whose grandparent was born in Canada could claim citizenship, even if the parent was also born abroad.
But in April 2009, the Conservative government of Prime Minister Stephen Harper amended the Citizenship Act to impose a strict first-generation limit. Under this rule, only the first generation born outside Canada to a Canadian parent could claim citizenship. If your parent was born in Canada and you were born in the US, you qualified. But if your grandparent was born in Canada and both you and your parent were born abroad, you were cut off — even though you had the same blood connection to Canada.
This single rule stripped citizenship from an estimated millions of people worldwide, many of whom had grown up believing they were Canadian, had family ties to Canada, and in some cases had even previously held Canadian documents. They became the modern Lost Canadians.
The History: How It Happened
Canada's citizenship laws have been revised multiple times since the first Canadian Citizenship Act was passed in 1947. Each revision created new winners and losers.
- 1947: The first Canadian Citizenship Act created Canadian citizenship as a distinct legal status (previously, Canadians were British subjects). Citizenship could be passed to children born abroad, with some restrictions.
- 1977: A new Citizenship Act modernized the law. Dual citizenship was explicitly permitted. Citizenship by descent was retained with a requirement to register births abroad.
- 2009:Bill C-37 imposed the first-generation limit. Only the first generation born outside Canada could be citizens by descent. Second-generation and beyond were cut off. The stated rationale was to prevent "citizens of convenience" with no real connection to Canada, but the rule was widely criticized as overbroad.
- 2025: Bill C-3 was passed, removing the first-generation limit and retroactively restoring citizenship to those who had been denied it. The new law replaces the generational cutoff with a "substantial connection" requirement for future generations, allowing citizenship by descent without a hard generational limit.
How Bill C-3 Fixed It
Bill C-3, which received Royal Assent in June 2025, made several critical changes to the Citizenship Act:
- Removed the first-generation limit: Citizenship by descent is no longer limited to the first generation born outside Canada. If your grandparent, great-grandparent, or even more distant ancestor was born in Canada, you may now qualify.
- Retroactive restoration: The law applies retroactively. If you were previously denied citizenship under the 2009 first-generation limit, your citizenship has been restored as of the law's effective date. You do not need to reapply for citizenship — you need to apply for proof of citizenship you already hold.
- Substantial connection requirement: For future generations born after Bill C-3's effective date (beyond the first generation born abroad), Canada may require a demonstration of "substantial connection" to Canada. However, this does not affect people who are already born — if you exist today and meet the ancestry requirement, you qualify.
Are You a Lost Canadian?
You are likely a Lost Canadian who now qualifies under Bill C-3 if any of the following apply to you:
- You have a parent who was born in Canada, and you were born outside Canada.
- You have a grandparent who was born in Canada, both you and your parent were born outside Canada, and you were previously told you did not qualify because of the first-generation limit.
- You have a great-grandparent or more distant ancestor who was born in Canada, and you can document the unbroken chain of parent-child relationships from that ancestor to you.
- You previously applied for Canadian citizenship and were denied due to the first-generation limit.
- You grew up being told you were Canadian (or eligible for Canadian citizenship) but discovered you were not when you tried to get a passport or citizenship certificate after 2009.
How to Apply for Your Citizenship
If you are a Lost Canadian whose citizenship has been restored under Bill C-3, you apply by submitting a CIT 0001 (Application for a Proof of Canadian Citizenship) to IRCC. This is not an application for citizenship — it is an application to prove citizenship you already hold.
You will need:
- Birth certificates for each person in the chain from you to your Canadian ancestor (long-form, showing parents' names). See our document ordering guide for how to order Canadian birth certificates.
- Marriage certificates for any name changes in the chain.
- Two passport-style photos.
- A copy of your current government-issued photo ID.
- The $75 CAD government filing fee.
You can submit online through the IRCC portal or by mail. Processing times currently range from 5 to 12 months.
Example Scenarios
Scenario 1: Sarah from Michigan
Sarah's father was born in Windsor, Ontario, in 1958 and moved to Detroit in his 20s. Sarah was born in Michigan in 1987. She always assumed she was Canadian but never applied for a certificate. Under both the old rules and Bill C-3, Sarah qualifies as first-generation born abroad. She needs her own birth certificate, her father's Ontario birth certificate (long-form), and the $75 filing fee. A straightforward one-generation case.
Scenario 2: Marcus from California
Marcus's grandmother was born in Vancouver in 1940. She married an American soldier and moved to California in 1963. Marcus's mother was born in San Francisco in 1965, and Marcus was born in LA in 1992. Before Bill C-3, Marcus did notqualify — the first-generation limit meant citizenship stopped with his mother (first generation born abroad) and could not be passed to him (second generation born abroad). After Bill C-3, Marcus qualifies. He needs his birth certificate, his mother's birth certificate, his grandmother's BC birth certificate, and his grandparents' marriage certificate (to link names).
Scenario 3: Emily from Texas
Emily's great-grandfather was born in Montreal in 1920 and emigrated to the US in 1950. His son (Emily's grandfather) was born in New York in 1948, Emily's father was born in Houston in 1975, and Emily was born in Austin in 2001. Emily is three generations removed from the ancestor born in Canada. Under the old rules, neither Emily nor her father nor her grandfather could claim citizenship (only her great-uncle, born abroad in the first generation, might have). Under Bill C-3, Emily qualifies — she just needs to document the full chain with birth and marriage certificates for all four generations.
Find out if you're a Lost Canadian
Our free eligibility checker takes under 2 minutes and tells you immediately whether you qualify for Canadian citizenship under Bill C-3.