Marykate is a distinctive girls' name in United States, ranking #6632 in 2015 with 19 recorded births. The name reached its all-time peak in 2001 with 85 births ranking #2005. Since 1996, the popularity has decreased by 76.8%. In 2015, approximately 1 in every 93,929 girls born was named Marykate. RISING Recent data shows the name is currently rising.