Marykatherine is a distinctive girls' name in United States, ranking #5847 in 2006 with 23 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4151. Since 1996, the popularity has decreased by 23.3%. In 2006, approximately 1 in every 82,655 girls born was named Marykatherine. RISING Recent data shows the name is currently rising.