Delta is an uncommon girls' name that peaked in 2019 and remains in steady use.
Delta is predominantly a girl name. In 2025 it ranked #2,337 for girl births in the United States (and #4,201 across all names), given to 78 babies. Delta was first reported in SSA data in 1883 and peaked in 2019 (136 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 78 | 78 | #2,337 | — |
| 2024 | 82 | 82 | #2,269 | — |
| 2023 | 110 | 110 | #1,893 | #12,658 |
| 2022 | 65 | 65 | #2,667 | — |
| 2021 | 111 | 111 | #1,886 | #11,096 |
| 2020 | 119 | 119 | #1,705 | — |
| 2019 | 136 | 136 | #1,572 | — |
| 2018 | 110 | 110 | #1,927 | #9,916 |
| 2017 | 73 | 73 | #2,609 | #11,094 |
| 2016 | 39 | 39 | #3,869 | — |
| 2015 | 39 | 39 | #3,864 | — |
| 2014 | 28 | 28 | #4,930 | — |
| 2013 | 16 | 16 | #7,487 | — |
| 2012 | 16 | 16 | #7,547 | — |
| 2011 | 8 | 8 | #12,466 | — |
| 2010 | 8 | 8 | #12,593 | — |
| 2009 | 16 | 16 | #10,157 | #12,941 |
| 2008 | 5 | 5 | #18,249 | — |
| 2007 | 6 | 6 | #16,019 | — |
| 2006 | 14 | 14 | #8,365 | — |
| 2005 | 19 | 19 | #6,344 | — |
| 2004 | 15 | 15 | #7,496 | — |
| 2003 | 15 | 15 | #7,306 | — |
| 2002 | 5 | 5 | #16,103 | — |
| 2001 | 12 | 12 | #8,327 | — |
| 2000 | 13 | 13 | #7,699 | — |
| 1999 | 12 | 12 | #7,854 | — |
| 1998 | 9 | 9 | #9,478 | — |
| 1997 | 13 | — | #6,963 | — |
| 1996 | 16 | — | #5,857 | — |
| 1995 | 9 | — | #8,951 | — |
| 1994 | 17 | — | #5,513 | — |
| 1993 | 15 | — | #6,033 | — |
| 1992 | 16 | — | #5,790 | — |
| 1991 | 23 | — | #4,372 | — |
| 1990 | 31 | — | #3,929 | #8,423 |
| 1989 | 22 | — | #4,276 | — |
| 1988 | 25 | — | #3,724 | — |
| 1987 | 19 | — | #4,332 | — |
| 1986 | 20 | — | #4,063 | — |
| 1985 | 14 | — | #5,129 | — |
| 1984 | 14 | — | #5,012 | — |
| 1983 | 16 | — | #4,523 | — |
| 1982 | 20 | — | #3,923 | — |
| 1981 | 16 | — | #4,584 | — |
| 1980 | 18 | — | #4,188 | — |
| 1979 | 22 | — | #3,568 | — |
| 1978 | 31 | — | #2,698 | — |
| 1977 | 25 | — | #3,649 | #6,061 |
| 1976 | 30 | — | #2,616 | — |
| 1975 | 47 | — | #1,917 | — |
| 1974 | 88 | — | #1,302 | #4,760 |
| 1973 | 99 | — | #1,128 | — |
| 1972 | 57 | — | #1,595 | — |
| 1971 | 12 | — | #4,610 | — |
| 1970 | 10 | — | #5,139 | — |
| 1969 | 13 | — | #4,012 | — |
| 1968 | 20 | — | #2,893 | — |
| 1967 | 5 | — | #7,023 | — |
| 1966 | 10 | — | #4,258 | — |
| 1965 | 21 | — | #2,690 | — |
| 1964 | 27 | — | #2,363 | — |
| 1963 | 24 | — | #2,496 | — |
| 1962 | 21 | — | #2,680 | — |
| 1961 | 29 | — | #2,207 | — |
| 1960 | 25 | — | #2,385 | — |
| 1959 | 37 | — | #1,827 | — |
| 1958 | 31 | — | #2,275 | #3,631 |
| 1957 | 32 | — | #1,932 | — |
| 1956 | 43 | — | #1,723 | #4,077 |
| 1955 | 38 | — | #1,949 | #3,024 |
| 1954 | 30 | — | #2,133 | #3,952 |
| 1953 | 29 | — | #1,886 | — |
| 1952 | 35 | — | #1,652 | — |
| 1951 | 28 | — | #1,854 | — |
| 1950 | 19 | — | #2,271 | — |
| 1949 | 25 | — | #1,929 | — |
| 1948 | 29 | — | #1,750 | — |
| 1947 | 24 | — | #2,008 | — |
| 1946 | 26 | — | #1,782 | — |
| 1945 | 32 | — | #1,425 | — |
| 1944 | 31 | — | #1,462 | — |
| 1943 | 32 | — | #1,473 | — |
| 1942 | 24 | — | #1,713 | — |
| 1941 | 28 | — | #1,479 | — |
| 1940 | 32 | — | #1,320 | — |
| 1939 | 25 | — | #1,520 | — |
| 1938 | 43 | — | #1,097 | — |
| 1937 | 44 | — | #1,073 | — |
| 1936 | 35 | — | #1,210 | — |
| 1935 | 36 | — | #1,186 | — |
| 1934 | 48 | — | #995 | — |
| 1933 | 40 | — | #1,103 | — |
| 1932 | 33 | — | #1,272 | — |
| 1931 | 41 | — | #1,106 | — |
| 1930 | 44 | — | #1,118 | — |
| 1929 | 36 | — | #1,246 | — |
| 1928 | 49 | — | #1,074 | — |
| 1927 | 48 | — | #1,198 | #3,875 |
| 1926 | 45 | — | #1,135 | — |
| 1925 | 48 | — | #1,104 | — |
| 1924 | 58 | — | #1,002 | — |
| 1923 | 56 | — | #1,005 | — |
| 1922 | 59 | — | #971 | — |
| 1921 | 56 | — | #1,075 | #3,966 |
| 1920 | 50 | — | #1,123 | #4,455 |
| 1919 | 51 | — | #1,012 | — |
| 1918 | 53 | — | #991 | — |
| 1917 | 60 | — | #955 | #3,300 |
| 1916 | 79 | — | #790 | #4,057 |
| 1915 | 58 | — | #857 | — |
| 1914 | 48 | — | #851 | — |
| 1913 | 36 | — | #963 | #2,925 |
| 1912 | 43 | — | #763 | — |
| 1911 | 25 | — | #856 | — |
| 1910 | 26 | — | #847 | — |
| 1909 | 29 | — | #750 | — |
| 1908 | 32 | — | #745 | #1,430 |
| 1907 | 12 | — | #1,157 | — |
| 1906 | 21 | — | #801 | — |
| 1905 | 15 | — | #974 | — |
| 1904 | 23 | — | #730 | — |
| 1903 | 14 | — | #940 | — |
| 1902 | 17 | — | #851 | — |
| 1901 | 13 | — | #929 | — |
| 1900 | 21 | — | #810 | — |
| 1899 | 18 | — | #763 | — |
| 1898 | 21 | — | #725 | — |
| 1897 | 10 | — | #1,053 | — |
| 1896 | 19 | — | #732 | — |
| 1895 | 10 | — | #1,073 | — |
| 1894 | 12 | — | #913 | — |
| 1893 | 17 | — | #723 | — |
| 1892 | 9 | — | #1,027 | — |
| 1891 | 9 | — | #953 | — |
| 1890 | 6 | — | #1,245 | — |
| 1889 | 11 | — | #809 | — |
| 1888 | 13 | — | #731 | — |
| 1886 | 6 | — | #1,012 | — |
| 1885 | 6 | — | #948 | — |
| 1884 | 8 | — | #807 | — |
| 1883 | 7 | — | #764 | — |