Gillian
- Pronunciation
- [Gi-lli-an]
- Gender
- Female
- Meaning
- Variant Of Juliana.
- Origin
- English
About the Name Gillian
Gillian is an English feminine form of Julian, itself derived from the Latin Iulianus and ultimately from the Roman family name Iulius. The classical connection links the name to the broader Julian family, whose roots are sometimes associated with the Roman god Iuppiter or with a meaning tied to youthful vigor. Gillian developed as a distinctly English vernacular form during the medieval period, when Julian and Gillian were used interchangeably for both men and women in England before gradually separating along gender lines. By the modern era Gillian had become firmly feminine in English-speaking countries.
In SSA records, Gillian entered the top-1000 in 2000 immediately at its best rank of #325, suggesting it had already been building quietly before the tracked data begins. It accumulated 5,238 top-1000 births across its relatively brief nine-year run, remaining on the chart through 2008 with a rank of #835 and 339 births. The name's SSA run was narrow but consistent: #759 with 362 births in 2006, #790 with 366 births in 2007, before its exit after 2008.
Recorded variants include Gila, Gilana, Gili, Gill, Gilli, Jillian, Jillianne, Jilly, and Lian — a wide family that reflects the name's long evolution across English and other European traditions. Gillian's quiet, bookish appeal has kept it in intermittent use well beyond its top-1000 tenure; it does not appear in the tracked records after 2008, but that is a marker of rarity rather than disuse, particularly in British-influenced naming contexts where the name retains genuine affection.
Source: U.S. Social Security Administration name data, 1880–2024 (methodology). By Marvin Tang.
Quick Facts About Gillian
US Popularity History (2000–2008)
Annual US births named Gillian by gender, from US Social Security Administration records. Peak year: 2000 with 976 girls named Gillian (girl rank #325 that year).
Where it stands today: in 2008, ranked #835 for girls (339 US births). That's 510 places below its 2000 peak.
Source: US Social Security Administration. Limitations: US birth-certificate data only; names appearing fewer than 5 times in a given year are suppressed for privacy; spelling variants are counted separately. For names that ranked outside the US top 100 before year 2000, only the years they reached the top 100 are shown — the chart may have gaps for less-popular historical names.
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Variant Forms
| Name | Meaning | Gender | Origin |
|---|---|---|---|
| Gila | Eternal Joy | Female | Hebrew |
| Gilana | Eternal Joy | Female | Hebrew |
| Gili | Eternal Joy | Female | Hebrew |
| Gill | French Form Of Julius | Male | French |
| Gilli | Happiness | Male | Hebrew |
| Jillian | Jove's Child. Variant Of Gillian From The Masculine Julian. | Female | English |
| Jillianne | Jove's Child. Variant Of Gillian From The Masculine Julian. | Female | English |
| Jilly | Abbreviation Of Jillian Or Gillian. Jove's Child. | Female | English |
| Lian | Unisexual Name Meaning "The Graceful Willow" | Male | Chinese |
Looking for names like Gillian?
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Compare Gillian to Other Popular Names
Side-by-side popularity charts and crossover years for Gillian against today's most popular girls-name peers (top 8 by US births in the last 10 years of SSA records).