Dorthy is a distinctive girls' name in United States, ranking #11191 in 2025 with 8 recorded births. The name reached its all-time peak in 1998 with 16 births ranking #6146. Since 1996, the popularity has decreased by 33.3%. In 2025, approximately 1 in every 200,908 girls born was named Dorthy. FALLING Recent data shows the name is currently falling.