Jillian is a girl name with a classic feel, drawn from real birth records.
| Country | Births on record |
|---|---|
| United States since 1880 | 83,424 births |
| England & Wales since 1996 | 70 births |
| Ireland since 1964 | 560 births |
Counts come from national birth registrations: the U.S. Social Security Administration, England & Wales (ONS) and Ireland (CSO). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Jillian per year — United States (1944–2025). United States peaked in 1982 (3,070/yr) · Ireland peaked in 1980 (37/yr) · England & Wales peaked in 1996 (7/yr).
Jillian reached its peak in 1982, when it was the #196 most popular baby name in the United States — making it a quintessential 1980s name.
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