Is Kailo a boy or girl name?

Kailo is a boy’s name. Of the 600 Americans recorded with the name since 1880, 2.8% were girls and 97.2% were boys.

Kailo

Recorded 2010–2025 · United States

Kailo was most popular in 2022, when 99 American babies were given the name — ranking #3,604 that year. In 2025 it ranked #4,142, with 79 births. Across 1880–2025 the Social Security Administration has recorded 600 people named Kailo.

Kailo over time

Births per year. The dot marks Kailo’s peak in 2022. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Kailo a boy’s or a girl’s name?

Across the whole record Kailo is a boy’s name — 2.8% of the 600 Americans given it were girls and 97.2% were boys. In births since 2016 it is 3% girls and 97% boys.

Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.

Names that peaked alongside Kailo

Where Kailo is most concentrated

How much more common the name is in each state than across the country as a whole.

Explore further

See Kailo on the interactive charts

Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org