Born Before the Country Existed: 1922, 1920, 1947, 1861 and 1871 as Cut-offs
A citizenship by descent cut-off date can predate the state itself — 1861 Italy, 1871 Germany, 1920 Poland, 1922 Ireland, 1947 Canada. What each one decides.
Category
Where It Breaks
Adopted, or Born Outside Marriage: Where the Line Still Holds and Where It Needs a Declaration
Born outside marriage or adopted: where a citizenship by descent claim still holds, where it needs a declaration, and where an adoption ends the line instead.
Lost by Marriage: When a Grandmother's Wedding Ended the Line, Country by Country
Where a grandmother lost citizenship by marriage the line ends at the wedding, not at a birth. The rule in Germany, Italy, Britain and Poland, each dated.
The Grandmother's Line: 1948 in Italy, 1975 in Germany, 1983 in Britain, and the Routes That Repair Two of Them
Citizenship by descent through a mother breaks at 1948 in Italy, 1975 in Germany, 1983 in Britain. Two of the three have a repair route; one needs a court.
Your Parent Naturalised Before You Were Born: the Break in Germany, Italy, Canada and Poland, and Why Ireland Does Not Have It
If a parent naturalised before you were born, a German, Italian, Canadian or Polish citizenship by descent claim usually ends there. Ireland is the exception.
Where the Line Breaks: Seven Breaks, and the One Date Each Turns On
Can you lose your citizenship before you are born? The seven breaks that end a descent claim in Ireland, Canada, Germany, Italy, Poland and the UK, dated.