Jillyn is an uncommon yet captivating given name, derived from the Hebrew 'Yael', meaning 'mountain goat'. This moniker offers a unique twist on traditional names and may evoke images of grace, agility, and resilience. It typically follows two syllables: Ji-lyn, with stress usually placed on the first syllable.
The name Jillyn experienced a notable boom in popularity between the late 1960s and early 1980s, with peak years seeing up to ten times more babies named Jillyn compared to other years. However, it seems to have lost favor subsequently, as the number of births has consistently declined since the mid-1980s.