Holding steady.
Popularity of Jyllian since 1981
Babies named Jyllian per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1980s | 22 |
| 1990s | 43 |
| 2000s | 154 |
| 2010s | 25 |
| 2020s | 0 |
Meaning & origin
Jyllian is a modern respelling of Jillian, first recorded in the United States in 1981. It reached its peak usage in 2001 but has never entered the top 1000 most popular names, maintaining a stable low frequency. The name's trajectory shows that it remains a rare, individualized choice. As of the latest data from 2025, Jyllian continues to be used sparingly, appealing to parents who favor the traditional Jillian but want a distinctive spelling twist.
Jyllian is a modern respelling of Jillian, which itself derives from the Latin name Iuliana, the feminine form of Iulius (Julius). The name has been used in English since the Middle Ages, though the variant spelling with 'Jy-' is a 20th century innovation, likely influenced by the name Jill or a desire for distinctive spelling. It has seen modest use in the United States since the early 1980s.
Nicknames & variants
Nicknames: Jill, Jilly, J
Sibling names for Jyllian
Names that share Jyllian's style, for a brother or sister.
