The baby name Thornton appears in baby name data for the United States from 1910 to 1980. It was most popular in 1922 with 57 babies given the name.
In the later years of this period, Thornton has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 5 |
| 1913 | 5 |
| 1915 | 22 |
| 1916 | 20 |
| 1917 | 19 |
| 1919 | 30 |
| 1920 | 21 |
| 1921 | 23 |
| 1922 | 57 |
| 1923 | 6 |
| 1924 | 25 |
| 1925 | 15 |
| 1927 | 5 |
| 1928 | 5 |
| 1930 | 8 |
| 1931 | 5 |
| 1932 | 5 |
| 1934 | 11 |
| 1935 | 12 |
| 1938 | 16 |
| 1940 | 5 |
| 1941 | 5 |
| 1942 | 7 |
| 1943 | 10 |
| 1945 | 10 |
| 1946 | 5 |
| 1947 | 21 |
| 1948 | 6 |
| 1950 | 10 |
| 1951 | 10 |
| 1954 | 18 |
| 1967 | 5 |
| 1980 | 5 |