Jan is a distinctive girls' name in United States, ranking #7101 in 2001 with 15 recorded births. The name reached its all-time peak in 1996 with 18 births ranking #5377. Since 1996, the popularity has decreased by 16.7%. In 2001, approximately 1 in every 120,037 girls born was named Jan. STABLE Recent data shows the name is currently stable.