Mikalyn is of American origin, derived from the Welsh male name Michael. It means 'who is like God?' The name gained popularity during the late 20th century and has since been used as a unisex given name. Mikalyn typically uses the spelling variant 'Micalynn'.
The name Mikalyn had a significant increase in popularity between 1998 and 2000, with a peak of 20 births in 1998 and 18 births in 2000. However, it experienced a decline thereafter, with fewer than 15 births recorded each year from 2003 onwards. Despite this drop, the name has shown occasional spikes in popularity, such as in 2006 (17 births) and 2018 (7 births). Overall, based on these statistics, Mikalyn was most popular during the late 1990s to early 2000s.