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SHARED SPELLING

✦ Two distinct US naming histories

Rex

Used in both girl and boy records

Rex appears in both girl and boy US naming records. Compare the two independent popularity histories, ranks, and peak years.

Choose a record

Rex by gender

Each record below preserves the original rank, use count, active years, and peak year for that gender. The spelling is shared; the data histories are not combined.

GIRL RECORDRex as a girl’s nameUS records 1921–1984
#19605girl rank1961peak year
Read girl record ↗BOY RECORDRex as a boy’s nameUS records 1880–2024
#430boy rank1951peak year
Read boy record ↗

Popularity ledger

Girl and boy use over time

GirlBoy

Trace the annual recorded uses of Rex in the national name files. Hover a peak marker, move across the chart, or use the arrow keys to inspect an exact annual count and rank.

At a glance

RecordPeak yearHighest rankObserved usage
Girl196110 uses#336219251921–198422 listed years
Boy19511,503 uses#17019511880–2020141 listed years

Annual counts and within-year ranks from the SSA national-name archive, 1880–2020. Names with fewer than five births in a year are not listed in the source files.