Equilla is a rare girls' name that was most common in the 1980s and has all but disappeared.
Equilla is a girl name. It last appears in U.S. records in 1991. Equilla was first reported in SSA data in 1905 and peaked in 1986 (21 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1991 | 9 | — | #8,812 |
| 1987 | 7 | — | #9,068 |
| 1986 | 21 | — | #3,923 |
| 1981 | 6 | — | #9,443 |
| 1979 | 6 | — | #9,337 |
| 1977 | 6 | — | #8,767 |
| 1976 | 6 | — | #8,454 |
| 1975 | 6 | — | #8,296 |
| 1974 | 5 | — | #9,166 |
| 1972 | 8 | — | #6,112 |
| 1971 | 7 | — | #6,804 |
| 1969 | 8 | — | #5,594 |
| 1968 | 5 | — | #7,332 |
| 1966 | 6 | — | #6,013 |
| 1965 | 5 | — | #6,817 |
| 1964 | 5 | — | #7,067 |
| 1963 | 7 | — | #5,485 |
| 1962 | 8 | — | #4,992 |
| 1961 | 5 | — | #6,852 |
| 1960 | 6 | — | #5,907 |
| 1959 | 7 | — | #5,197 |
| 1958 | 11 | — | #3,799 |
| 1957 | 7 | — | #5,051 |
| 1956 | 11 | — | #3,759 |
| 1955 | 8 | — | #4,496 |
| 1954 | 7 | — | #4,807 |
| 1953 | 8 | — | #4,340 |
| 1951 | 12 | — | #3,156 |
| 1950 | 14 | — | #2,811 |
| 1949 | 13 | — | #2,890 |
| 1948 | 12 | — | #3,019 |
| 1947 | 9 | — | #3,803 |
| 1946 | 8 | — | #3,764 |
| 1945 | 7 | — | #3,775 |
| 1944 | 6 | — | #4,206 |
| 1943 | 10 | — | #3,102 |
| 1941 | 7 | — | #3,676 |
| 1940 | 9 | — | #3,035 |
| 1939 | 7 | — | #3,547 |
| 1938 | 8 | — | #3,266 |
| 1937 | 9 | — | #3,006 |
| 1936 | 5 | — | #4,405 |
| 1935 | 7 | — | #3,511 |
| 1934 | 5 | — | #4,472 |
| 1933 | 9 | — | #2,954 |
| 1932 | 13 | — | #2,406 |
| 1931 | 8 | — | #3,311 |
| 1930 | 6 | — | #4,201 |
| 1929 | 15 | — | #2,226 |
| 1928 | 9 | — | #3,266 |
| 1927 | 14 | — | #2,465 |
| 1926 | 9 | — | #3,340 |
| 1925 | 10 | — | #3,181 |
| 1924 | 11 | — | #3,028 |
| 1923 | 11 | — | #2,986 |
| 1922 | 5 | — | #5,241 |
| 1921 | 8 | — | #3,772 |
| 1920 | 5 | — | #5,217 |
| 1919 | 10 | — | #3,072 |
| 1918 | 12 | — | #2,723 |
| 1917 | 7 | — | #3,831 |
| 1916 | 10 | — | #2,891 |
| 1915 | 5 | — | #4,498 |
| 1914 | 14 | — | #1,840 |
| 1913 | 6 | — | #2,944 |
| 1912 | 10 | — | #1,892 |
| 1910 | 6 | — | #2,223 |
| 1909 | 5 | — | #2,316 |
| 1908 | 8 | — | #1,583 |
| 1905 | 5 | — | #2,033 |