Marykatherine is a distinctive girls' name in United States, ranking #8060 in 2011 with 15 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4151. Since 1996, the popularity has decreased by 50.0%. In 2011, approximately 1 in every 117,254 girls born was named Marykatherine. RISING Recent data shows the name is currently rising.