Katharine is a distinctive girls' name in United States, ranking #697 in 2003 with 375 recorded births. The name reached its all-time peak in 1998 with 453 births ranking #548. Since 1996, the popularity has decreased by 13.2%. In 2003, approximately 1 in every 4,872 girls born was named Katharine. FALLING Recent data shows the name is currently falling.