The first name Lyn is ♀ female and ♂ male.
Lyn derived from an English surname and was a masculine name in former times, but today it is mostly a girl’s name. Lyn is as well a short form of names like Linda, Lina, Carolyn.
Lyn means “lake” (from Welsh “llyn”) and “soft”, “tender”, “flexible” (from Old Germanic “lind”).