Jillian
Modern spelling of Gillian, the medieval English feminine of Julian, from the Roman family name Julius.
Popularity, 1880–2025
Jillian first shows up in the national records in 1944. It has ranked among the top 100 names for American girls in 2 different years between 1982 and 1987. Its biggest year was 1982, when 3,056 newborn girls received the name, ranking it No. 96 nationally. All told, 83,424 Americans have been given the name since 1880.
Related names
Other spellings on record: Jilian (803) (total births since 1880)
Other names that share a story: Julian, Julius
Explore Jillian interactively →By the decade
| Decade | Births | Best rank |
|---|---|---|
| 1940s | 37 | No. 2637 |
| 1950s | 86 | No. 3150 |
| 1960s | 333 | No. 1236 |
| 1970s | 4,661 | No. 179 |
| 1980s | 25,446 | No. 96 |
| 1990s | 19,725 | No. 122 |
| 2000s | 22,822 | No. 120 |
| 2010s | 8,730 | No. 169 |
| 2020s | 1,357 | No. 957 |
Births and rank shown for girls, the sex more often given the name. The Social Security Administration omits name–year combinations with fewer than five births.
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Data: U.S. Social Security Administration national baby-name file, 1880–2025.