Humanverse

Sera vs Serenity

American parents have registered 77,625 Serenitys since 1880, against 1,616 Seras. Serenity is still ahead, with 2,209 babies in 2025.

Babies given each name, 1880–2025

Births per year: Sera against Serenity, 1880 to 2025 0 1.3k 2.5k 3.8k 5k 1880 1900 1920 1940 1960 1980 2000 2020

Sera Serenity

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, Serenity for 54 years and Sera for 3 years. The lead changed hands once.

Side by side

  Sera Serenity
Total US births 1,61677,625
Most in one year 764,481
Babies in 2025 202,209
Estimated living today 1,60077,000
Median age today 2411
Peak year 19972013
Best rank 1,914th girls52nd girls
Rank in 2025 5,917th129th
First recorded 19541972
Girls / boys 1,616 / 077,550 / 75

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 Seras alive today are over 24; half the Serenitys are over 11. That is 13 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 Sera Serenity
England and Wales 112803
France 1010

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: Sera and Serenity.