Caswell is a rare boys' name that peaked in 1923 and has grown less common since.
Caswell is a boy name. In 2025 it ranked #10,910 for boy births in the United States (and #22,523 across all names), given to 6 babies. Caswell first appears in 1882 and peaked in 1923 (14 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 6 | 6 | #10,910 |
| 2024 | 7 | 7 | #10,078 |
| 2023 | 5 | 5 | #12,550 |
| 2022 | 5 | 5 | #12,678 |
| 2021 | 9 | 9 | #8,291 |
| 2020 | 8 | 8 | #8,879 |
| 2018 | 6 | 6 | #11,009 |
| 2017 | 7 | 7 | #9,870 |
| 2015 | 7 | 7 | #9,737 |
| 2013 | 5 | 5 | #12,461 |
| 2012 | 6 | 6 | #11,018 |
| 2009 | 8 | 8 | #9,118 |
| 2006 | 7 | 7 | #9,727 |
| 2004 | 5 | 5 | #11,642 |
| 2003 | 5 | 5 | #11,146 |
| 1999 | 5 | 5 | #10,138 |
| 1997 | 7 | — | #7,398 |
| 1994 | 5 | — | #8,997 |
| 1971 | 6 | — | #4,460 |
| 1967 | 6 | — | #3,610 |
| 1955 | 7 | — | #3,241 |
| 1954 | 7 | — | #3,207 |
| 1951 | 7 | — | #3,108 |
| 1950 | 5 | — | #3,769 |
| 1949 | 5 | — | #3,765 |
| 1947 | 5 | — | #3,801 |
| 1946 | 5 | — | #3,596 |
| 1945 | 6 | — | #3,035 |
| 1944 | 7 | — | #2,903 |
| 1943 | 5 | — | #3,617 |
| 1942 | 5 | — | #3,640 |
| 1941 | 5 | — | #3,574 |
| 1939 | 5 | — | #3,559 |
| 1937 | 5 | — | #3,602 |
| 1930 | 9 | — | #2,806 |
| 1929 | 6 | — | #3,614 |
| 1928 | 6 | — | #3,770 |
| 1927 | 8 | — | #3,204 |
| 1926 | 10 | — | #2,750 |
| 1925 | 5 | — | #4,297 |
| 1924 | 6 | — | #3,948 |
| 1923 | 14 | — | #2,246 |
| 1922 | 10 | — | #2,838 |
| 1921 | 9 | — | #3,018 |
| 1920 | 9 | — | #2,997 |
| 1919 | 5 | — | #4,258 |
| 1918 | 5 | — | #4,274 |
| 1917 | 10 | — | #2,577 |
| 1916 | 7 | — | #3,227 |
| 1915 | 5 | — | #3,910 |
| 1882 | 5 | — | #963 |