Marykatherine is a distinctive girls' name in United States, ranking #4151 in 2004 with 34 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4151. Since 1996, the popularity has increased by 13.3%. In 2004, approximately 1 in every 54,004 girls born was named Marykatherine. RISING Recent data shows the name is currently rising.