Michaelyn is a distinctive girls' name in United States, ranking #8049 in 1999 with 12 recorded births. The name reached its all-time peak in 1999 with 12 births ranking #8049. Since 1996, the popularity has increased by 33.3%. In 1999, approximately 1 in every 147,815 girls born was named Michaelyn. FALLING Recent data shows the name is currently falling.