Peak popularity
1977
Usually for
Girls & boys
Trend
Holding steady
Holding steady.
Popularity of Billyjo since 1971
Babies named Billyjo per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1970s | 37 | 21 |
| 1980s | 7 | 13 |
| 1990s | 0 | 0 |
| 2000s | 0 | 0 |
| 2010s | 0 | 0 |
| 2020s | 0 | 0 |
