Katharine is a moderately popular girls' name in England & Wales, ranking #480 in 2001 with 63 recorded births. The name reached its all-time peak in 1997 with 152 births ranking #258. Since 1996, the popularity has decreased by 56.3%. In 2001, approximately 1 in every 4,254 girls born was named Katharine. FALLING Recent data shows the name is currently falling.