Zelpha is a rare girls' name that was most common in the 1910s and has all but disappeared.
Zelpha is a girl name. It last appears in U.S. records in 1957. Zelpha was first reported in SSA data in 1886 and peaked in 1916 (39 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1957 | 6 | — | #6,081 |
| 1956 | 6 | — | #5,950 |
| 1955 | 7 | — | #5,205 |
| 1954 | 6 | — | #5,748 |
| 1953 | 8 | — | #4,594 |
| 1950 | 6 | — | #5,297 |
| 1948 | 7 | — | #4,646 |
| 1946 | 11 | — | #3,215 |
| 1943 | 15 | — | #2,444 |
| 1942 | 9 | — | #3,443 |
| 1940 | 9 | — | #3,207 |
| 1939 | 6 | — | #4,246 |
| 1938 | 8 | — | #3,448 |
| 1937 | 7 | — | #3,797 |
| 1936 | 12 | — | #2,520 |
| 1935 | 12 | — | #2,574 |
| 1934 | 12 | — | #2,565 |
| 1933 | 11 | — | #2,687 |
| 1932 | 17 | — | #2,036 |
| 1931 | 21 | — | #1,749 |
| 1930 | 13 | — | #2,551 |
| 1929 | 21 | — | #1,822 |
| 1928 | 22 | — | #1,836 |
| 1927 | 18 | — | #2,168 |
| 1926 | 26 | — | #1,666 |
| 1925 | 31 | — | #1,503 |
| 1924 | 38 | — | #1,327 |
| 1923 | 25 | — | #1,735 |
| 1922 | 29 | — | #1,574 |
| 1921 | 31 | — | #1,513 |
| 1920 | 15 | — | #2,462 |
| 1919 | 27 | — | #1,564 |
| 1918 | 35 | — | #1,298 |
| 1917 | 35 | — | #1,240 |
| 1916 | 39 | — | #1,146 |
| 1915 | 32 | — | #1,257 |
| 1914 | 22 | — | #1,384 |
| 1913 | 16 | — | #1,527 |
| 1912 | 16 | — | #1,420 |
| 1911 | 21 | — | #981 |
| 1910 | 13 | — | #1,334 |
| 1909 | 14 | — | #1,150 |
| 1908 | 13 | — | #1,201 |
| 1907 | 15 | — | #1,035 |
| 1906 | 5 | — | #2,218 |
| 1905 | 17 | — | #924 |
| 1904 | 18 | — | #879 |
| 1903 | 13 | — | #1,026 |
| 1902 | 9 | — | #1,319 |
| 1901 | 6 | — | #1,675 |
| 1900 | 10 | — | #1,318 |
| 1899 | 9 | — | #1,179 |
| 1898 | 9 | — | #1,261 |
| 1897 | 11 | — | #1,035 |
| 1896 | 7 | — | #1,415 |
| 1895 | 7 | — | #1,425 |
| 1894 | 7 | — | #1,350 |
| 1893 | 8 | — | #1,173 |
| 1892 | 13 | — | #859 |
| 1891 | 13 | — | #795 |
| 1890 | 5 | — | #1,532 |
| 1889 | 7 | — | #1,146 |
| 1888 | 5 | — | #1,471 |
| 1887 | 7 | — | #1,035 |
| 1886 | 7 | — | #991 |