Katharine is a distinctive girls' name in United States, ranking #842 in 2005 with 301 recorded births. The name reached its all-time peak in 1998 with 453 births ranking #548. Since 1996, the popularity has decreased by 30.3%. In 2005, approximately 1 in every 6,139 girls born was named Katharine. FALLING Recent data shows the name is currently falling.