For many families, Canadian citizenship has never been a
simple yes-or-no question. That is especially true for people born outside
Canada who have a Canadian parent, grandparent, or even great-grandparent
somewhere in their family line. For years, many of those cases were blocked by
the old first-generation limit, which prevented citizenship from being passed
down indefinitely to children born abroad.
That changed on December 15, 2025, when Bill C-3 came into
force.
The new law has created new opportunities for many families
to revisit whether they may already be Canadian citizens, or whether they may
now qualify where they could not before. But it has also caused a lot of
confusion, especially around one common question:
Can you now get Canadian citizenship through a grandparent
or great-grandparent?
The answer is: sometimes, yes, but not automatically.
What Changed Under Bill C-3?
Before Bill C-3, citizenship by descent was usually limited
to the first generation born outside Canada. In simple terms, that meant a
Canadian citizen could normally pass citizenship to a child born abroad only if
that Canadian parent had either been born in Canada or had become Canadian
through naturalization before the child was born or adopted.
Bill C-3 changed that rule.
It expanded citizenship by descent beyond the old
first-generation limit and made it possible for more second-generation and
later-generation cases to succeed. For some people, that means they may already
be Canadian citizens under the law today. For others, it means they may now
have a stronger basis to apply for proof of citizenship or to explore whether
they qualify through their family line.
Does This Mean a Grandparent or Great-Grandparent Is
Enough?
Not by itself.
This is where a lot of people misunderstand the new law.
Bill C-3 does not create a simple “grandparent citizenship” rule or a
“great-grandparent citizenship” rule. Just because someone has a Canadian
grandparent or great-grandparent does not automatically mean they are a
Canadian citizen.
What matters is whether citizenship legally passes down
through the family line.
That means the government is not only looking at whether you
had a Canadian ancestor somewhere in the past. It is looking at whether the
citizenship chain reaches you properly under the amended law.
When a Parent, Grandparent, or
Great-Grandparent May Matter
In real life, these cases often fall into one of a few
categories.
Some people were born outside Canada before December 15,
2025 to a Canadian parent who was also born outside Canada. Under the old
rules, many of those people were excluded. Under Bill C-3, some of them may now
already be Canadian citizens.
Some adopted people may also benefit, particularly where the
adoption took place outside Canada and the Canadian parent was also born or
adopted outside Canada.
For children born or adopted abroad on or after December 15,
2025, the rules are more limited. In those cases, if the Canadian parent was
also born or adopted outside Canada, that parent must usually show a real
connection to Canada by proving they spent enough time in Canada before the
child’s birth or adoption.
And then there are the more complicated files — the ones
involving older citizenship laws, family gaps, or what are often called Lost
Canadian cases. These are the situations where a person may have a Canadian
grandparent or great-grandparent and the issue is not simply ancestry, but
whether citizenship was lost, never recognized, or is now restored under the
new law.
A Simple Way to Think About It
The easiest way to understand Bill C-3 is this:
A Canadian parent may still be the clearest path in many
cases.
A Canadian grandparent may help, but it
is not enough on its own.
A Canadian great-grandparent can matter
too, but only if the legal citizenship chain still reaches the person applying.
If you think you may qualify for Canadian citizenship by
descent through a parent, grandparent, great-grandparent, or a possible Lost
Canadian family line, it is worth getting proper advice.
A&M Canadian Immigration Law Corporation can help you assess your case, understand your options, and take the right next steps.
