The baby name Ellsworth appears in baby name data for the United States from 1910 to 1965. It was most popular in 1921 with 295 babies given the name.
In the later years of this period, Ellsworth has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 17 |
| 1911 | 28 |
| 1912 | 103 |
| 1913 | 111 |
| 1914 | 210 |
| 1915 | 261 |
| 1916 | 249 |
| 1917 | 276 |
| 1918 | 289 |
| 1919 | 206 |
| 1920 | 231 |
| 1921 | 295 |
| 1922 | 184 |
| 1923 | 216 |
| 1924 | 171 |
| 1925 | 171 |
| 1926 | 173 |
| 1927 | 136 |
| 1928 | 130 |
| 1929 | 114 |
| 1930 | 90 |
| 1931 | 88 |
| 1932 | 77 |
| 1933 | 73 |
| 1934 | 35 |
| 1935 | 59 |
| 1936 | 60 |
| 1937 | 52 |
| 1938 | 55 |
| 1939 | 32 |
| 1940 | 24 |
| 1941 | 43 |
| 1942 | 23 |
| 1943 | 56 |
| 1944 | 35 |
| 1945 | 5 |
| 1946 | 25 |
| 1947 | 37 |
| 1948 | 26 |
| 1949 | 12 |
| 1950 | 26 |
| 1951 | 27 |
| 1952 | 11 |
| 1953 | 10 |
| 1954 | 5 |
| 1955 | 7 |
| 1956 | 5 |
| 1957 | 23 |
| 1960 | 11 |
| 1961 | 6 |
| 1965 | 9 |