Katharine is a distinctive girls' name in United States, ranking #2946 in 2018 with 56 recorded births. The name reached its all-time peak in 1998 with 453 births ranking #548. Since 1996, the popularity has decreased by 87.0%. In 2018, approximately 1 in every 30,365 girls born was named Katharine. FALLING Recent data shows the name is currently falling.