Marykatherine is a distinctive girls' name in United States, ranking #6377 in 2022 with 19 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4151. Since 1996, the popularity has decreased by 36.7%. In 2022, approximately 1 in every 86,251 girls born was named Marykatherine. RISING Recent data shows the name is currently rising.