Katharine is a distinctive girls' name in United States, ranking #1671 in 2010 with 127 recorded births. The name reached its all-time peak in 1998 with 453 births ranking #548. Since 1996, the popularity has decreased by 70.6%. In 2010, approximately 1 in every 13,995 girls born was named Katharine. FALLING Recent data shows the name is currently falling.