Katharine is a distinctive girls' name in United States, ranking #710 in 1999 with 320 recorded births. The name reached its all-time peak in 1998 with 453 births ranking #548. Since 1996, the popularity has decreased by 25.9%. In 1999, approximately 1 in every 5,543 girls born was named Katharine. FALLING Recent data shows the name is currently falling.