Boys name · California
Sebastian in California
Sebastian was the 5th most popular boys name in California in 2025, with 1,954 babies named Sebastian that year. Since 1917, California families have named 46,691 babies Sebastian.
Popularity over time
Sebastian in California, year by year
| Year | Babies | State rank |
|---|---|---|
| 1917 | 7 | 322nd |
| 1950 | 5 | 853rd |
| 1966 | 13 | 650th |
| 1978 | 32 | 489th |
| 1989 | 122 | 295th |
| 2001 | 1,056 | 53rd |
| 2013 | 1,665 | 21st |
| 2025 | 1,954 | 5th |
Its rank among boys names in California climbed from 322nd in 1917 to 5th in 2025.
The most babies named Sebastian in California in a single year was 2,280, in 2016. Its best showing was 2nd among boys names in 2017.
Across the country, Sebastian reached its best rank of 2nd in California (2017). See Sebastian in every state →
How popular is Sebastian in California?
Sebastian was the 5th most popular boys name in California in 2025, with 1,954 babies named Sebastian that year. Since 1917, California families have named 46,691 babies Sebastian.
How many babies are named Sebastian in California?
In 2025, 1,954 babies were named Sebastian in California. The most babies named Sebastian in California in a single year was 2,280, in 2016.
What is the rank of Sebastian in California?
Sebastian ranked 5th among boys names in California in 2025. Its best showing was 2nd among boys names in 2017.
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.
The same name elsewhere