Marykatherine is a distinctive girls' name in United States, ranking #4197 in 1997 with 26 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4151. Since 1996, the popularity has decreased by 13.3%. In 1997, approximately 1 in every 66,948 girls born was named Marykatherine. RISING Recent data shows the name is currently rising.