Holding steady.
Popularity of Jillyan since 1978
Babies named Jillyan per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1970s | 16 |
| 1980s | 48 |
| 1990s | 66 |
| 2000s | 118 |
| 2010s | 43 |
| 2020s | 0 |
Meaning & origin
Jillyan is a respelling of Jillian that first appeared in U.S. birth records in 1978. It saw its peak usage in 1999, though even then it was extremely rare, given to fewer than five girls that year. The name has never cracked the top 1,000 and has remained stable in its low usage ever since, with no recorded instances in any state's top 1,000. As a modern variant of a classic name, Jillyan appeals to parents who want a familiar sound with a distinctive spelling. Its trajectory is stable, indicating that while it never became popular, it has not fallen out of use entirely. The name's rarity means it stands out without being unfamiliar.
Jillyan is a modern spelling variant of Jillian, which is the English feminine form of Julian (ultimately from the Roman name Julius). Jillian has been in use since the Middle Ages, but the specific spelling Jillyan most likely emerged in the late 20th century as a way to personalize or modernize the traditional name. It has never been as common as Jillian or Gillian, and its usage has remained sporadic.
Nicknames & variants
Nicknames: Jill, Jilly
Sibling names for Jillyan
Names that share Jillyan's style, for a brother or sister.

