Marykate is a distinctive girls' name in United States, ranking #2173 in 1999 with 70 recorded births. The name reached its all-time peak in 2001 with 85 births ranking #2005. Since 1996, the popularity has decreased by 14.6%. In 1999, approximately 1 in every 25,340 girls born was named Marykate. RISING Recent data shows the name is currently rising.