"Blend of Mika and Lyn"
The name Mikalyn is commonly a female name.
Mikalyn is a late twentieth-century American formation, best explained as a blend of the name element Mika, a short form of Michaela and its respellings, with the ending Lyn. The spelling follows the pattern of American feminine names built on -lyn, and the name has no recorded history before the 1990s.
The pronunciation of Mikalyn is mih-KAY-lin.