Aila vs Ailsa

Babies given each name, 1880–2025

Aila Ailsa

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 57 years in which either name was published, Aila for 29 years and Ailsa for 28 years. The lead changed hands 7 times.

• 1918 Ailsa ahead
• 1920 Aila ahead
• 1922–1982 Ailsa ahead
• 1984 Aila ahead
• 1986–1988 Ailsa ahead
• 1989 Aila ahead
• 1990–1999 Ailsa ahead
• 2000–2025 Aila ahead

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 Ailsas alive today are over 24; half the Ailas are over 6. That is 18 years between them: two names in use at the same time, worn by two different generations.

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

• Aila vs Aileen
• Aila vs Ailany
• Aila vs Ailani
• Aila vs Ailyn
• Aila vs Ailene
• Aila vs Aili
• Ailsa vs Aileen
• Ailsa vs Ailany