Bill C-37: 17 Years On, "Lost Canadians" Legacy Continues to Evolve

On the 17th anniversary of the 'Lost Canadians Act' (Bill C-37), we examine its successes, the ongoing challenges of the second-generation cut-off, and recent court rulings that are reshaping Canadian citizenship law.

_Posted: May 13, 2026_

OTTAWA – Seventeen years after the landmark Bill C-37 came into force, the legislation intended to restore citizenship to the so-called "Lost Canadians" is being remembered not only for the thousands it helped, but for the complex challenges it created. The 2009 amendment to Canada's *Citizenship Act* fixed historical injustices for many, but its legacy is now defined by the "second-generation cut-off"—a rule that prevents many Canadians born abroad from passing on their citizenship, a provision that has since been challenged and found unconstitutional.

Key Takeaways

  • Bill C-37 Anniversary: April 17, 2026, marked the 17th anniversary of the implementation of Bill C-37, which automatically granted or restored Canadian citizenship to many who had lost it due to outdated laws.
  • The "Second-Generation Cut-off": The bill created a new issue by generally limiting citizenship by descent to the first generation born outside Canada. This means a Canadian citizen born abroad cannot typically pass on citizenship to their own child born outside the country.
  • Constitutional Challenge: In December 2023, the Ontario Superior Court of Justice declared the second-generation cut-off unconstitutional, citing discrimination based on national origin. The court gave the federal government a deadline to amend the legislation, a deadline which has spurred ongoing legislative review.
  • Who is Affected: The rule primarily impacts Canadians born abroad who have children while living overseas for work, family, or other reasons. These children may not have a right to Canadian citizenship, creating a new generation of individuals disconnected from their Canadian heritage.

The Original Sin: Who Were the "Lost Canadians"?

Before 2009, Canadian citizenship law was a tangled web of confusing and often discriminatory rules. The term "Lost Canadians" refers to a diverse group of people who, despite what most would consider a strong connection to Canada, were denied citizenship. This included:

  • Individuals born abroad to a Canadian parent (often a Canadian servicewoman or a father in a common-law relationship) who did not meet complex registration requirements.
  • So-called "war brides" and their children.
  • People who lost their citizenship on their 24th birthday if they were born abroad to a Canadian parent and failed to take specific steps to retain it.

These provisions were relics of previous versions of the *Citizenship Act*, including the original 1947 Act, which created the concept of Canadian citizenship separate from that of a British subject. The laws were often based on outdated assumptions about marriage, gender roles, and the status of children born out of wedlock.

Bill C-37: A Historic Solution with a New Problem

On April 17, 2009, the *Citizenship Act* was amended by Bill C-37. The changes were sweeping and retroactive, granting citizenship to a significant number of people who had been fighting for recognition for years. The amendment was celebrated as a major victory for fairness and a correction of historical wrongs.

However, in its effort to prevent citizenship of convenience and define a clearer line for citizenship by descent, the government introduced a critical new rule: the first-generation limit. This provision, formally known as the "second-generation cut-off," stipulated that a Canadian citizen born outside Canada could not automatically pass that citizenship on to their child if that child was also born outside Canada.

The Rise of the Second-Generation Cut-off

The architects of Bill C-37 intended to ensure that Canadian citizenship was tied to a substantial connection to the country. The fear was that citizenship could be passed down indefinitely through generations of families with no meaningful ties to Canada.

The result, however, was a new form of "Lost Canadian." For seventeen years, families have been grappling with this reality. A Canadian software developer born in Germany to a parent in the Armed Forces, for example, would be a citizen. But if that developer later moved to the U.S. for work and had a child, their child would not automatically be Canadian. This has created significant hurdles for a globalized workforce and families living abroad for professional or personal reasons.

The Courts Intervene: A Landmark Ruling

The issue came to a head in late 2023. In a landmark case, the Ontario Superior Court of Justice ruled on December 19, 2023, that the second-generation cut-off violates the *Canadian Charter of Rights and Freedoms*. The court found that the rule creates a two-tier system of citizenship, discriminating against Canadians born abroad based on their national origin.

The court gave the federal government until June 19, 2024, to amend the *Citizenship Act*. This deadline put significant pressure on Parliament to address the issue, a process that continues to be monitored closely by legal experts and affected families into 2026.

While the government did not appeal the ruling, discussions on how to best amend the law are complex. The challenge is to balance the principle of extending citizenship with the original policy goal of ensuring a meaningful connection to Canada. Proposed solutions have included allowing second-generation children born abroad to become citizens if their Canadian parent can demonstrate a "substantial connection" to Canada, such as having lived in the country for a specific number of years.

What This Means For You

The legal landscape for citizenship by descent is in flux. Here’s how these developments might affect you:

  • If you are a Canadian citizen born abroad: The 2023 court ruling and subsequent legislative changes may restore your right to pass on citizenship to your children born outside Canada. It is crucial to monitor announcements from Immigration, Refugees and Citizenship Canada (IRCC).
  • If your child was born abroad and denied citizenship: You may soon have a pathway to obtain citizenship for your child. The new rules may require you to prove a "substantial connection" to Canada, which could involve providing proof of time spent living in the country.
  • If you were born before 1947 or have a complex family history: While Bill C-37 resolved many historical cases, some individuals still fall through the cracks. The ongoing focus on citizenship law may provide new avenues for appeal.

The story of the Lost Canadians is a powerful reminder that citizenship law is not static. While Bill C-37 was a monumental step forward, its unintended consequences have sparked a new chapter in the fight for fair and equal citizenship rights for all Canadians, no matter where they were born.

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Think you might be a "Lost Canadian" or affected by the second-generation cut-off? The rules are complex and evolving. Take our free eligibility quiz to understand your status.

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*This article is for informational purposes only and does not constitute legal advice.*

Canada Citizen Center is not a law firm and does not provide legal advice.