Katharine is a moderately popular girls' name in England & Wales, ranking #315 in 1999 with 108 recorded births. The name reached its all-time peak in 1997 with 152 births ranking #258. Since 1996, the popularity has decreased by 25.0%. In 1999, approximately 1 in every 2,608 girls born was named Katharine. FALLING Recent data shows the name is currently falling.