Humanverse

Cirilla vs Ciro

American parents have registered 2,587 Ciros since 1880, against 535 Cirillas. But in 2025 it was Cirilla that was commoner, 66 babies to 43.

Babies given each name, 1880–2025

Births per year: Cirilla against Ciro, 1880 to 2025 0 40 80 120 160 1880 1900 1920 1940 1960 1980 2000 2020

Cirilla Ciro

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 115 years in which either name was published, Ciro for 108 years and Cirilla for 7 years. The lead changed hands 3 times.

Side by side

  Cirilla Ciro
Total US births 5352,587
Most in one year 12259
Babies in 2025 6643
Estimated living today 5301,800
Median age today 332
Peak year 20222024
Best rank 1,710th girls2,370th boys
Rank in 2025 2,607th2,884th
First recorded 20161907
Girls / boys 535 / 00 / 2,587

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 Ciros alive today are over 32; half the Cirillas are over 3. That is 29 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.

Both names abroad

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

Country Cirilla Ciro
France 40185
Belgium 785
England and Wales 3742
Poland 382

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

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