Boys name · Idaho
William in Idaho
As of 2025, William was the #7 most common boys name in Idaho, drawn from 86 births that year. Its total reaches 12,585 across years with 5 or more births, the first being 1910.
Popularity over time
William in Idaho, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 29 | #2 |
| 1926 | 122 | #4 |
| 1943 | 142 | #9 |
| 1959 | 135 | #10 |
| 1976 | 90 | #24 |
| 1992 | 59 | #33 |
| 2009 | 98 | #4 |
| 2025 | 86 | #7 |
Rank swung between #1 (1911) and #52 (1999) in Idaho, from #2 in 1910 to #7 in 2025.
Idaho had the most William births in 1920, with 210. Its highest rank among boys names in Idaho was #1, in 1911.
Its highest rank in any state was #1, in North Carolina in 1998. See William in every state →
How popular is William in Idaho?
As of 2025, William was the #7 most common boys name in Idaho, drawn from 86 births that year. Its total reaches 12,585 across years with 5 or more births, the first being 1910.
How many babies are named William in Idaho?
Idaho recorded 86 births of babies named William in 2025.
What is the rank of William in Idaho?
William's 2025 rank among boys names in Idaho was #7.
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.