Katharine is a moderately popular girls' name in England & Wales, ranking #349 in 2000 with 96 recorded births. The name reached its all-time peak in 1997 with 152 births ranking #258. Since 1996, the popularity has decreased by 33.3%. In 2000, approximately 1 in every 2,846 girls born was named Katharine. FALLING Recent data shows the name is currently falling.