Boys name · South Dakota
William in South Dakota
William was the 8th most popular boys name in South Dakota in 2025, with 41 babies named William that year. Since 1910, South Dakota families have named 10,542 babies William.
Popularity over time
William in South Dakota, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 34 | 2nd |
| 1926 | 184 | 4th |
| 1943 | 117 | 12th |
| 1959 | 145 | 12th |
| 1976 | 55 | 24th |
| 1992 | 38 | 37th |
| 2009 | 47 | 11th |
| 2025 | 41 | 8th |
Its rank among boys names in South Dakota fell from 2nd in 1910 to 8th in 2025.
The most babies named William in South Dakota in a single year was 201, in 1922. 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 South Dakota?
William was the 8th most popular boys name in South Dakota in 2025, with 41 babies named William that year. Since 1910, South Dakota families have named 10,542 babies William.
How many babies are named William in South Dakota?
In 2025, 41 babies were named William in South Dakota. The most babies named William in South Dakota in a single year was 201, in 1922.
What is the rank of William in South Dakota?
William ranked 8th among boys names in South Dakota 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.