Boys name · California
Theo in California
As of 2025, Theo was the #77 most common boys name in California, drawn from 484 births that year. Its total reaches 3,939 across years with 5 or more births, the first being 1960.
Popularity over time
Theo in California, year by year
| Year | Babies | State rank |
|---|---|---|
| 1960 | 5 | #1114 |
| 1976 | 8 | #1052 |
| 1990 | 9 | #1572 |
| 1998 | 14 | #1092 |
| 2004 | 30 | #741 |
| 2011 | 34 | #751 |
| 2018 | 174 | #253 |
| 2025 | 484 | #77 |
Rank swung between #77 (2025) and #2164 (1993) in California, from #1114 in 1960 to #77 in 2025.
California had the most Theo births in 2025, with 484. Its highest rank among boys names in California was #77, in 2025.
Its highest rank in any state was #24, in Hawaii in 2022. See Theo in every state →
How popular is Theo in California?
As of 2025, Theo was the #77 most common boys name in California, drawn from 484 births that year. Its total reaches 3,939 across years with 5 or more births, the first being 1960.
How many babies are named Theo in California?
484 Theo babies were born in California in 2025.
What is the rank of Theo in California?
Theo ranked #77 among boys names in California in 2025.
Source: U.S. Social Security Administration, names by state of birth (public domain). Counts below 5 in a state-year are omitted by the SSA for privacy.