Little cape or cloak; lover of lions
Lennyn is a modern feminine variation of the Irish surname Lennon, which stems from 'Leannán' meaning lover or sweetheart. It is also associated with the Latin name Leonina, meaning lioness. The 'y' spelling is a contemporary American stylistic choice to distinguish it from the traditional surname.
Less common today
Lennyn isn't in the latest US Top 1000. It last peaked at #1,560 in 2025.
US births per 5-year period, 1990–present (SSA data).
