The baby name Delta appears in baby name data for the United States from 1911 to 2024. It was most popular in 2019 with 89 babies given the name.
In the later years of this period, Delta has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1911 | 6 |
| 1912 | 5 |
| 1913 | 5 |
| 1914 | 7 |
| 1915 | 6 |
| 1916 | 53 |
| 1917 | 23 |
| 1918 | 7 |
| 1919 | 19 |
| 1920 | 33 |
| 1921 | 5 |
| 1922 | 36 |
| 1923 | 24 |
| 1924 | 20 |
| 1925 | 24 |
| 1926 | 16 |
| 1927 | 31 |
| 1928 | 31 |
| 1929 | 14 |
| 1930 | 16 |
| 1931 | 19 |
| 1932 | 11 |
| 1933 | 5 |
| 1934 | 12 |
| 1935 | 17 |
| 1937 | 6 |
| 1938 | 6 |
| 1940 | 11 |
| 1943 | 6 |
| 1944 | 7 |
| 1955 | 6 |
| 1956 | 7 |
| 1957 | 6 |
| 1958 | 8 |
| 1961 | 30 |
| 1972 | 17 |
| 1973 | 54 |
| 1974 | 42 |
| 1975 | 5 |
| 2014 | 5 |
| 2015 | 11 |
| 2017 | 16 |
| 2018 | 49 |
| 2019 | 89 |
| 2020 | 68 |
| 2021 | 32 |
| 2022 | 35 |
| 2023 | 51 |
| 2024 | 23 |