Baby NamesExplore all names
SHARED SPELLING

✦ Two distinct US naming histories

Alfonso

Used in both girl and boy records

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

Choose a record

Alfonso 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 RECORDAlfonso as a girl’s nameUS records 1922–1991
#21380girl rank1972peak year
Read girl record ↗BOY RECORDAlfonso as a boy’s nameUS records 1881–2024
#532boy rank1991peak year
Read boy record ↗

Popularity ledger

Girl and boy use over time

GirlBoy

Trace the annual recorded uses of Alfonso 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
Girl19729 uses#385019311922–199120 listed years
Boy1991573 uses#29419291881–2020137 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.