Declining since 2018, #13,208 for girls today.
Popularity of Zo since 1957
Babies named Zo per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1950s | 6 | 0 |
| 1960s | 0 | 0 |
| 1970s | 0 | 0 |
| 1980s | 0 | 0 |
| 1990s | 0 | 0 |
| 2000s | 13 | 5 |
| 2010s | 173 | 35 |
| 2020s | 118 | 61 |
Meaning & origin
Zo is an exceptionally rare name in the United States, with the first recorded birth occurring in 1957. It reached its peak popularity in 2017 but has been declining since 2018. As of 2025, it ranks 13,208th, with only about 1 in 267,878 newborns receiving the name. The name's origins are unclear; it may be a short form of Zoe or an independent modern coinage. Because of its rarity, Zo offers a distinctive choice for parents seeking a minimal, two-letter name that crosses gender lines. Its top-recorded states are not available due to insufficient data.
Zo is a very rare name in U.S. records, first appearing in 1957. It may have arisen as a short form of longer names such as Zoe, Zoey, or Zosia, or as an independent invention inspired by the sound of names like Jo or the ending common in trendy short names. There is no established traditional etymology.
Sibling names for Zo
Names that share Zo's style, for a brother or sister.
