Humanverse

Keilly vs Keith

American parents have registered 440,123 Keiths since 1880, against 610 Keillys. Keith is still ahead, with 311 babies in 2025.

Babies given each name, 1880–2025

Births per year: Keilly against Keith, 1880 to 2025 0 4k 8k 12k 16k 1880 1900 1920 1940 1960 1980 2000 2020

Keilly Keith

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

Keith has been the commoner name in every year either was published, 1888 to 2025. The lead has never changed hands.

The closest they came was 2011, when Keilly had 48 and Keith had 806.

Side by side

  Keilly Keith
Total US births 610440,123
Most in one year 4812,483
Babies in 2025 11311
Estimated living today 610338,000
Median age today 1556
Peak year 20111957
Best rank 3,350th girls36th boys
Rank in 2025 8,860th800th
First recorded 19931888
Girls / boys 610 / 02,216 / 437,907

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 Keiths alive today are over 56; half the Keillys are over 15. That is 41 years between them: two names in use at the same time, worn by two different generations.

Where each one is strongest

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

Compare something else

Related comparisons

Social Security Administration birth records, 1880–2025, public domain. Full histories: Keilly and Keith.