Eureka
Eureka was given to 5 girls in 2025, #15,632 among girls’ names; 865 Americans have been recorded with it since 1913 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Eureka by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
What does Eureka mean?
Wiktionary, English section
Eureka is “a given name, like for the protagonists of Eureka's Castle or Eureka Seven.”
Meaning: Wiktionary, English section, as of Sep 25, 2026 (CC BY‑SA 4.0).
How popular is Eureka?
#15,632 among girls’ names, 2025
Eureka entered the girls’ rankings after 2015 and stood at #15,632 in 2025.
43 babies in 1974, the peak
Eureka peaked in 1974, when 43 girls were given it, #1,969 among girls’ names. The 5 births of 2025 are 12% of that peak.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2025 | 5 | #15,632 | 3.1 |
| 2022 | 7 | #12,649 | 4.3 |
| 2020 | 6 | #13,973 | 3.7 |
| 2017 | 7 | #13,153 | 4.1 |
| 1999 | 5 | #15,157 | 2.8 |
| 1995 | 7 | #10,870 | 4.0 |
| 1994 | 19 | #5,086 | 10.6 |
| 1993 | 8 | #9,859 | 4.4 |
| 1992 | 17 | #5,550 | 9.2 |
| 1991 | 18 | #5,241 | 9.6 |
Every recorded year (46)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 1990 | 28 | #3,735 | 14.7 |
| 1989 | 17 | #5,110 | 9.2 |
| 1988 | 12 | #6,387 | 6.7 |
| 1987 | 24 | #3,654 | 13.8 |
| 1986 | 21 | #3,923 | 12.2 |
| 1985 | 16 | #4,694 | 9.3 |
| 1984 | 17 | #4,376 | 10.1 |
| 1983 | 15 | #4,736 | 9.0 |
| 1982 | 24 | #3,445 | 14.2 |
| 1981 | 31 | #2,869 | 18.6 |
| 1980 | 31 | #2,889 | 18.7 |
| 1979 | 38 | #2,443 | 23.7 |
| 1978 | 29 | #2,811 | 18.9 |
| 1977 | 37 | #2,386 | 24.1 |
| 1976 | 36 | #2,308 | 24.6 |
| 1975 | 37 | #2,245 | 25.4 |
| 1974 | 43 | #1,969 | 29.3 |
| 1973 | 41 | #1,985 | 28.1 |
| 1972 | 38 | #2,070 | 25.0 |
| 1971 | 41 | #2,042 | 24.6 |
| 1970 | 35 | #2,247 | 20.0 |
| 1969 | 32 | #2,270 | 19.0 |
| 1968 | 20 | #2,897 | 12.2 |
| 1967 | 16 | #3,242 | 9.7 |
| 1966 | 15 | #3,298 | 8.9 |
| 1965 | 6 | #6,016 | 3.4 |
| 1964 | 7 | #5,637 | 3.7 |
| 1963 | 7 | #5,486 | 3.6 |
| 1959 | 5 | #6,547 | 2.5 |
| 1923 | 6 | #4,577 | 5.0 |
| 1921 | 8 | #3,777 | 6.5 |
| 1920 | 5 | #5,233 | 4.2 |
| 1917 | 6 | #4,264 | 5.5 |
| 1915 | 6 | #3,933 | 6.1 |
| 1914 | 5 | #3,816 | 6.6 |
| 1913 | 6 | #2,952 | 9.6 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Eureka a boy’s or a girl’s name?
Eureka has been given almost only to girls: 5 boys in 46 years of records.
Girls and boys named Eureka: the SSA national file counts each sex separately.
How many people are named Eureka, and how old are they?
An estimated 779 Americans named Eureka and born in the U.S. are alive in 2026 (90% of everyone recorded); the median is 48 years old and half are between 40 and 54. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 787 people named Eureka (747 women and girls, 40 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 776 born in the U.S. The Census count is 1% 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 6 names spelled alike, given to 128,654 babies since 1880, Eureka is the third most given (<1% of them). In 2025 it was given to 5 of their 218 babies (2.3%), the second most given that year.
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 Eureka
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 Eureka and names like it
- Compare Eureka and ErikaBirths, ranks, peak and the living estimate side by side.
- The most given names of the 1970sEureka peaked in 1974.
- Louisiana’s most given namesThe state where SSA recorded the most babies named Eureka since 1910.
- The top names of 1974The year the most babies were named Eureka.
- The names of Generation XMost people named Eureka alive today were born 1965-1980.
- Names starting with EMost given first.