Deloria
Deloria was last recorded in 1985, when 5 babies were given it; 425 Americans have been recorded with it between 1921 and 1985 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Deloria by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Deloria?
Unranked in 2025
Its last girls’ rank on record is #11,069, in 1985; SSA lists a name only in years with 5 or more births.
18 babies in 1951, the peak
Deloria peaked in 1951, when 18 girls were given it, #2,409 among girls’ names. It was not recorded in 2025.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 1985 | 5 | #11,069 | 2.9 |
| 1982 | 5 | #10,891 | 3.0 |
| 1979 | 6 | #9,268 | 3.7 |
| 1978 | 5 | #10,126 | 3.3 |
| 1974 | 6 | #7,928 | 4.1 |
| 1971 | 9 | #5,638 | 5.4 |
| 1970 | 6 | #7,281 | 3.4 |
| 1969 | 8 | #5,562 | 4.7 |
| 1967 | 12 | #3,892 | 7.3 |
| 1966 | 10 | #4,255 | 5.9 |
Every recorded year (47)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 1965 | 10 | #4,265 | 5.7 |
| 1963 | 8 | #4,983 | 4.2 |
| 1962 | 10 | #4,333 | 5.1 |
| 1961 | 5 | #6,788 | 2.5 |
| 1960 | 13 | #3,541 | 6.4 |
| 1959 | 6 | #5,721 | 3.0 |
| 1957 | 10 | #3,989 | 4.9 |
| 1956 | 13 | #3,378 | 6.5 |
| 1955 | 8 | #4,466 | 4.1 |
| 1954 | 5 | #5,935 | 2.6 |
| 1953 | 7 | #4,684 | 3.7 |
| 1952 | 18 | #2,513 | 9.7 |
| 1951 | 18 | #2,409 | 10.0 |
| 1950 | 15 | #2,690 | 8.8 |
| 1949 | 13 | #2,874 | 7.6 |
| 1948 | 15 | #2,617 | 8.8 |
| 1947 | 10 | #3,507 | 5.6 |
| 1946 | 7 | #4,087 | 4.5 |
| 1945 | 10 | #2,957 | 7.7 |
| 1944 | 11 | #2,805 | 8.3 |
| 1943 | 11 | #2,901 | 7.9 |
| 1942 | 10 | #3,032 | 7.4 |
| 1941 | 9 | #3,067 | 7.4 |
| 1940 | 10 | #2,782 | 8.7 |
| 1939 | 6 | #3,863 | 5.5 |
| 1938 | 10 | #2,772 | 9.1 |
| 1937 | 11 | #2,598 | 10.3 |
| 1936 | 11 | #2,555 | 10.6 |
| 1935 | 8 | #3,219 | 7.6 |
| 1934 | 11 | #2,601 | 10.5 |
| 1933 | 7 | #3,490 | 6.9 |
| 1932 | 5 | #4,559 | 4.7 |
| 1931 | 6 | #3,976 | 5.6 |
| 1930 | 7 | #3,739 | 6.2 |
| 1929 | 5 | #4,729 | 4.5 |
| 1928 | 9 | #3,233 | 7.8 |
| 1921 | 5 | #5,298 | 4.1 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Deloria a boy’s or a girl’s name?
Deloria has been recorded only for girls: SSA lists no boys with the name in 47 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Deloria: the SSA national file counts each sex separately.
How many people are named Deloria, and how old are they?
An estimated 263 Americans named Deloria and born in the U.S. are alive in 2026 (62% of everyone recorded); the median is 71 years old and half are between 60 and 78. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 324 people named Deloria (323 women and girls, 1 man or boy). SSA’s births carried forward to Census day, April 1, 2020, predict 307 born in the U.S. The Census count is 6% above that prediction.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).
Names spelled alike
Of these 4 names spelled alike, given to 3,519 babies since 1880, Deloria is the second most given (12% of them). In 2025 none of their 35 babies recorded by SSA was a Deloria (SSA lists a name only with 5 or more babies of one sex).
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Deloria
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Deloria and names like it
- Compare Deloria and DeloraBirths, ranks, peak and the living estimate side by side.
- The most given names of the 1950sDeloria peaked in 1951.
- Alabama’s most given namesThe state where SSA recorded the most babies named Deloria since 1910.
- The top names of 1951The year the most babies were named Deloria.
- The names of the Baby BoomersMost people named Deloria alive today were born 1946-1964.
- Names starting with DMost given first.