Rex

Recorded 1880–2025 · United States

Rex was most popular in 1952, when 1,505 American babies were given the name — ranking #373 that year. In 2025 it ranked #1,769, with 281 births. Across 1880–2025 the Social Security Administration has recorded 60,590 people named Rex.

Rex over time

Births per year. The dot marks Rex’s peak in 1952. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Names that peaked alongside Rex

Randolph
Laurence
Donnie
Denis
Gordon
Charmaine

Explore further

See Rex on the interactive charts

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