Katharine is a distinctive girls' name in United States, ranking #4935 in 2025 with 27 recorded births. The name reached its all-time peak in 1998 with 453 births ranking #548. Since 1996, the popularity has decreased by 93.8%. In 2025, approximately 1 in every 59,528 girls born was named Katharine. FALLING Recent data shows the name is currently falling.