✦ Two distinct US naming histories
So
Used in both girl and boy records
So appears in both girl and boy US naming records. Compare the two independent popularity histories, ranks, and peak years.
Popularity ledger
Girl and boy use over time
Trace the annual recorded uses of So 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
| Record | Peak year | Highest rank | Observed usage |
|---|---|---|---|
| Girl | 19938 uses | #80571979 | 1979–19938 listed years |
| Boy | 20175 uses | #122262017 | 2017–20171 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.