Sonji

Girl name

Sonji has been given to 904 babies in the U.S. since 1951. It peaked in 1966.

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

904

Peak year

1966 (225 babies)

Rank in 2025

Below top 1000

First recorded

1951

10-year trend

New / returning

Gender split

All girls

Names one letter away from Sonji — alternate spellings parents actually use.

39,557 babies since 1906

Same primary gender, peaked around the same years, and roughly as common as Sonji.

907 babies since 1962

908 babies since 1917

911 babies since 1892

897 babies since 1937

895 babies since 1953

914 babies since 1901

894 babies since 1913

916 babies since 1966

How popular is the name Sonji?

Sonji has been given to 904 babies in the U.S. since 1951. It ranked below the top 1000 in 2025.

When did the name Sonji peak?

Sonji peaked in 1966, when 225 babies were given the name.

Is Sonji a girl or boy name?

Sonji is primarily a girl name (100% of babies named Sonji are girls).

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