Jillyn comes from the ModernAmerican / InventedVariant tradition, meaning Variant of the name Jillian..
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How popular is Jillyn?
1976peak year
Jillyn reached its widest reach during the 1970s. In 1976, 10 babies received the name (ranked #5763). In the present decade, it has largely fallen out of national rankings. The all-time total comes to roughly 171 registrations.
Year-by-year registrations1880–2024 · U.S. Social Security data
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