Marycatherine is a distinctive girls' name in United States, ranking #9874 in 2025 with 10 recorded births. The name reached its all-time peak in 1997 with 32 births ranking #3591. Since 1996, the popularity has decreased by 41.2%. In 2025, approximately 1 in every 160,727 girls born was named Marycatherine. RISING Recent data shows the name is currently rising.