Eartha is an uncommon girls' name that peaked in 1955 and has since faded.
Eartha is predominantly a girl name. It last appears in U.S. records in 2020. Eartha was first reported in SSA data in 1905 and peaked in 1955 (108 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2020 | 5 | 5 | #15,769 | — |
| 1995 | 7 | — | #10,846 | — |
| 1992 | 5 | — | #13,923 | — |
| 1988 | 6 | — | #10,737 | — |
| 1986 | 6 | — | #9,879 | — |
| 1983 | 6 | — | #9,348 | — |
| 1982 | 13 | — | #5,291 | — |
| 1981 | 5 | — | #10,861 | — |
| 1980 | 8 | — | #7,605 | — |
| 1979 | 7 | — | #8,277 | — |
| 1978 | 11 | — | #5,659 | — |
| 1977 | 14 | — | #4,720 | — |
| 1976 | 9 | — | #6,194 | — |
| 1975 | 11 | — | #5,243 | — |
| 1974 | 6 | — | #7,962 | — |
| 1973 | 16 | — | #3,830 | — |
| 1972 | 14 | — | #4,143 | — |
| 1971 | 15 | — | #3,996 | — |
| 1970 | 24 | — | #2,876 | — |
| 1969 | 18 | — | #3,232 | — |
| 1968 | 38 | — | #1,948 | — |
| 1967 | 32 | — | #2,093 | — |
| 1966 | 22 | — | #2,606 | — |
| 1965 | 32 | — | #2,079 | — |
| 1964 | 33 | — | #2,079 | — |
| 1963 | 38 | — | #1,901 | — |
| 1962 | 52 | — | #1,563 | — |
| 1961 | 39 | — | #1,846 | — |
| 1960 | 61 | — | #1,409 | — |
| 1959 | 80 | — | #1,195 | — |
| 1958 | 60 | — | #1,367 | — |
| 1957 | 97 | — | #1,057 | — |
| 1956 | 101 | — | #1,017 | — |
| 1955 | 108 | — | #950 | — |
| 1954 | 93 | — | #1,014 | — |
| 1953 | 72 | — | #1,180 | #3,965 |
| 1952 | 55 | — | #1,290 | — |
| 1951 | 43 | — | #1,439 | — |
| 1950 | 40 | — | #1,459 | — |
| 1949 | 48 | — | #1,326 | — |
| 1948 | 54 | — | #1,239 | — |
| 1947 | 44 | — | #1,401 | — |
| 1946 | 47 | — | #1,258 | — |
| 1945 | 65 | — | #957 | — |
| 1944 | 49 | — | #1,207 | #3,212 |
| 1943 | 47 | — | #1,257 | #3,684 |
| 1942 | 64 | — | #980 | — |
| 1941 | 50 | — | #1,035 | — |
| 1940 | 70 | — | #854 | — |
| 1939 | 71 | — | #819 | — |
| 1938 | 58 | — | #978 | #3,668 |
| 1937 | 43 | — | #1,088 | — |
| 1936 | 62 | — | #863 | — |
| 1935 | 48 | — | #997 | — |
| 1934 | 52 | — | #957 | — |
| 1933 | 64 | — | #881 | #3,795 |
| 1932 | 39 | — | #1,152 | — |
| 1931 | 37 | — | #1,180 | — |
| 1930 | 55 | — | #995 | — |
| 1929 | 51 | — | #1,018 | — |
| 1928 | 47 | — | #1,103 | — |
| 1927 | 50 | — | #1,084 | — |
| 1926 | 40 | — | #1,226 | — |
| 1925 | 44 | — | #1,277 | #3,861 |
| 1924 | 46 | — | #1,154 | — |
| 1923 | 38 | — | #1,272 | — |
| 1922 | 32 | — | #1,439 | — |
| 1921 | 36 | — | #1,309 | — |
| 1920 | 32 | — | #1,413 | — |
| 1919 | 31 | — | #1,399 | — |
| 1918 | 23 | — | #1,706 | — |
| 1917 | 20 | — | #1,793 | — |
| 1916 | 14 | — | #2,281 | — |
| 1915 | 21 | — | #1,635 | — |
| 1914 | 8 | — | #2,712 | — |
| 1913 | 8 | — | #2,386 | — |
| 1912 | 10 | — | #1,886 | — |
| 1911 | 10 | — | #1,571 | — |
| 1909 | 7 | — | #1,815 | — |
| 1908 | 5 | — | #2,198 | — |
| 1907 | 5 | — | #2,153 | — |
| 1905 | 5 | — | #2,020 | — |