Is Isidoro a boy or girl name?

Isidoro is a boy’s name. Of the 1,292 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Name Legacy

Isidoro

Recorded 1913–2023 · United States

Isidoro was most popular in 1929, when 24 American babies were given the name — ranking #2,883 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 1,292 people named Isidoro.

Isidoro over time

Births per year. The dot marks Isidoro’s peak in 1929. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Isidoro a boy’s or a girl’s name?

Across the whole record Isidoro is a boy’s name — 0.0% of the 1,292 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% 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 Isidoro

Where Isidoro is most concentrated

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

Explore further

See Isidoro on the interactive charts

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