Marykatherine is a distinctive girls' name in United States, ranking #14946 in 2019 with 6 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4151. Since 1996, the popularity has decreased by 80.0%. In 2019, approximately 1 in every 279,595 girls born was named Marykatherine. RISING Recent data shows the name is currently rising.