Baby NamesExplore all names
SHARED SPELLING

✦ Two distinct US naming histories

Ja

Used in both girl and boy records

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

Choose a record

Ja 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 RECORDJa as a girl’s nameUS records 1957–2007
#18020girl rank2000peak year
Read girl record ↗BOY RECORDJa as a boy’s nameUS records 1971–2024
#9055boy rank1999peak year
Read boy record ↗

Popularity ledger

Girl and boy use over time

GirlBoy

Trace the annual recorded uses of Ja 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
Girl200014 uses#502619591957–200719 listed years
Boy199920 uses#316819791971–201133 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.