The baby name Sinclair appears in baby name data for the United States from 1922 to 2024. It was most popular in 1954 with 18 babies given the name.
Over the period shown, Sinclair has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1922 | 7 |
| 1923 | 16 |
| 1924 | 6 |
| 1929 | 10 |
| 1933 | 5 |
| 1935 | 6 |
| 1939 | 5 |
| 1943 | 6 |
| 1944 | 6 |
| 1945 | 15 |
| 1946 | 15 |
| 1947 | 6 |
| 1951 | 12 |
| 1952 | 6 |
| 1954 | 18 |
| 1958 | 5 |
| 1959 | 5 |
| 1988 | 5 |
| 2024 | 6 |