Humanverse

Cleo vs Cleotha

American parents have registered 45,092 Cleos since 1880, against 1,042 Cleothas. Cleo is still ahead, with 534 babies in 2025.

Babies given each name, 1880–2025

Births per year: Cleo against Cleotha, 1880 to 2025 0 400 800 1.2k 1.6k 1880 1900 1920 1940 1960 1980 2000 2020

Cleo Cleotha

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

Cleo has been the commoner name in every year either was published, 1880 to 2025. The lead has never changed hands.

The closest they came was 1968, when Cleo had 68 and Cleotha had 13.

Side by side

  Cleo Cleotha
Total US births 45,0921,042
Most in one year 1,39935
Babies in 2025 534under 5
Estimated living today 12,000460
Median age today 4868
Peak year 19201949
Best rank 191st girls1,501st boys
Rank in 2025 577thunranked
First recorded 18801917
Girls / boys 33,565 / 11,527292 / 750

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 Cleothas alive today are over 68; half the Cleos are over 48. That is 20 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: Cleo and Cleotha.