Holding steady.
Popularity of Jacilyn since 1974
Babies named Jacilyn per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1970s | 32 |
| 1980s | 150 |
| 1990s | 108 |
| 2000s | 72 |
| 2010s | 19 |
| 2020s | 5 |
Meaning & origin
Jacilyn is a distinctly modern feminine name that emerged in the 1970s and saw its most frequent use in the 1980s. The name was first recorded in 1974, and its peak year was 1984, during the height of the -lyn suffix trend. Despite never appearing in the national top 1,000, Jacilyn has maintained a stable level of use through the decades into 2025. Its construction follows a pattern familiar to American parents of that era: combining a familiar starting syllable (Jac- from Jacqueline) with a fashionable ending (lyn). This blend gives Jacilyn a familiar yet distinctive sound, fitting the broader trend of invented names from the late 20th century.
Jacilyn first appeared in United States birth records in 1974. It is a modern invention, formed by blending the beginning of Jacqueline (a French feminine form of Jacques, ultimately from Hebrew Jacob) with the popular suffix -lyn (from names like Lynn). This style of name construction was common in the mid-to-late 20th century. The name saw modest use in the 1980s, peaking in 1984.
Nicknames & variants
Nicknames: Jackie, Jaci, Lyn
Sibling names for Jacilyn
Names that share Jacilyn's style, for a brother or sister.

