Is Sim a boy or girl name?

Sim is a boy’s name. Of the 1,933 Americans recorded with the name since 1880, 0.0% were girls and 100.0% were boys.

Sim

Recorded 1880–2010 · United States

Sim was most popular in 1918, when 40 American babies were given the name — ranking #2,176 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 1,933 people named Sim.

Sim over time

Births per year. The dot marks Sim’s peak in 1918. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Sim a boy’s or a girl’s name?

Across the whole record Sim is a boy’s name — 0.0% of the 1,933 Americans given it were girls and 100.0% were 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 Sim

Where Sim is most concentrated

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

Explore further

See Sim on the interactive charts

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