Katharine is a distinctive girls' name in United States, ranking #728 in 2001 with 334 recorded births. The name reached its all-time peak in 1998 with 453 births ranking #548. Since 1996, the popularity has decreased by 22.7%. In 2001, approximately 1 in every 5,391 girls born was named Katharine. FALLING Recent data shows the name is currently falling.