Merrilyn is a variant of Marilyn (English).
Merrilyn is also a variant of Merilyn (English).
Merrilyn is also a variant of Merry (English).
Merrilyn is unusual as a baby name for girls. It is not listed in the top 1000 names. In 2018, among the group of girl names directly linked to Merrilyn, Marilyn was the most popular.
† approx pronunciation for Merrilyn: M as in "me (M.IY)" ; EH as in "ebb (EH.B)" ; R as in "race (R.EY.S)" ; AH as in "mud (M.AH.D)" ; L as in "lay (L.EY)" ; N as in "knee (N.IY)"