The baby name Eartha appears in baby name data for the United States from 1915 to 1970. It was most popular in 1957 with 92 babies given the name.
Over the period shown, Eartha has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1915 | 18 |
| 1916 | 5 |
| 1917 | 8 |
| 1918 | 17 |
| 1919 | 18 |
| 1920 | 22 |
| 1921 | 31 |
| 1922 | 19 |
| 1923 | 23 |
| 1924 | 43 |
| 1925 | 35 |
| 1926 | 23 |
| 1927 | 44 |
| 1928 | 36 |
| 1929 | 31 |
| 1930 | 31 |
| 1931 | 31 |
| 1932 | 23 |
| 1933 | 56 |
| 1934 | 45 |
| 1935 | 34 |
| 1936 | 60 |
| 1937 | 33 |
| 1938 | 42 |
| 1939 | 61 |
| 1940 | 64 |
| 1941 | 38 |
| 1942 | 42 |
| 1943 | 32 |
| 1944 | 36 |
| 1945 | 47 |
| 1946 | 28 |
| 1947 | 35 |
| 1948 | 45 |
| 1949 | 28 |
| 1950 | 25 |
| 1951 | 25 |
| 1952 | 37 |
| 1953 | 23 |
| 1954 | 76 |
| 1955 | 73 |
| 1956 | 66 |
| 1957 | 92 |
| 1958 | 26 |
| 1959 | 64 |
| 1960 | 41 |
| 1961 | 23 |
| 1962 | 47 |
| 1963 | 26 |
| 1964 | 14 |
| 1965 | 16 |
| 1966 | 12 |
| 1967 | 17 |
| 1968 | 18 |
| 1970 | 14 |