Cailin vs Cain

Babies given each name, 1880–2025

Cailin Cain

Each line is every baby given the name that year, girls and boys added together — the only count that means the same thing for both names. A line breaks where the name fell below five babies in a year — the point at which the SSA stops publishing it — rather than being drawn through a figure nobody published. A single published year in a gap shows as a dot.

Who was ahead

Of the 89 years in which either name was published, Cain for 71 years and Cailin for 18 years. The lead changed hands 12 times.

• 1910–1982 Cain ahead
• 1983–1991 Cailin ahead, apart from one short spell
• 1992–1994 Cain ahead
• 2000–2005 Cailin ahead
• 2008–2025 Cain ahead

7 shorter spells of a year or two are folded into the spans above rather than listed separately.

Side by side

A rank is a position within one sex’s list for one year, so the two rank rows are not subtracted from one another and the winning column is not marked on them. The living figure is a life-table estimate, not a count.

Which name is older

Half of the Cailins alive today are over 23; half the Cains are over 13. That is 10 years between them: two names in use at the same time, worn by two different generations.

Where each one is strongest

• Cailin Massachusetts (3.1×), California (2.2×), Virginia (1.8×)
• Cain Arizona (2.9×), Louisiana (2.4×), California (2.2×)

How much commoner the name is in that state than it is nationally, from births recorded since 1910.

Both names abroad

Countries whose statistics office publishes both names, so the comparison can be made somewhere other than the United States.

Every spelling a country files separately is added together, over whatever years that country publishes — which is not the same range in any two of them, so read the columns against each other and not the rows.

Compare something else

Related comparisons

• Cailin vs Caitlin
• Cailin vs Caitlyn
• Cailin vs Caiden
• Cailin vs Cairo
• Cailin vs Cailyn
• Cain vs Caitlin
• Cain vs Caitlyn
• Cain vs Caiden