Boys name · California
William in California
William was the 47th most popular boys name in California in 2025, with 717 babies named William that year. Since 1910, California families have named 221,142 babies William.
Popularity over time
William in California, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 170 | 2nd |
| 1926 | 1,492 | 3rd |
| 1943 | 2,818 | 5th |
| 1959 | 3,206 | 9th |
| 1976 | 1,645 | 19th |
| 1992 | 2,068 | 31st |
| 2009 | 1,457 | 36th |
| 2025 | 717 | 47th |
Its rank among boys names in California fell from 2nd in 1910 to 47th in 2025.
The most babies named William in California in a single year was 3,942, in 1954. Its best showing was 2nd among boys names in 1910.
Across the country, William reached its best rank of #1 in North Carolina (1998). See William in every state →
How popular is William in California?
William was the 47th most popular boys name in California in 2025, with 717 babies named William that year. Since 1910, California families have named 221,142 babies William.
How many babies are named William in California?
In 2025, 717 babies were named William in California. The most babies named William in California in a single year was 3,942, in 1954.
What is the rank of William in California?
William ranked 47th among boys names in California in 2025. Its best showing was 2nd among boys names in 1910.
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.