Katharine is a distinctive girls' name in United States, ranking #669 in 2000 with 362 recorded births. The name reached its all-time peak in 1998 with 453 births ranking #548. Since 1996, the popularity has decreased by 16.2%. In 2000, approximately 1 in every 5,016 girls born was named Katharine. FALLING Recent data shows the name is currently falling.