Is Ottilia a boy or girl name?

Ottilia is a girl’s name. Of the 597 Americans recorded with the name since 1880, 100.0% were girls and 0.0% were boys.

Ottilia

Recorded 1880–2025 · United States

Ottilia was most popular in 1891, when 22 American babies were given the name — ranking #906 that year. In 2025 it ranked #13,540, with 13 births. Across 1880–2025 the Social Security Administration has recorded 597 people named Ottilia.

Ottilia over time

Births per year. The dot marks Ottilia’s peak in 1891. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Ottilia a boy’s or a girl’s name?

Across the whole record Ottilia is a girl’s name — 100.0% of the 597 Americans given it were girls and 0.0% were boys. In births since 2016 it is 100% girls and 0% 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 Ottilia

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See Ottilia on the interactive charts

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