Jancy is a distinctive girls' name in United States, ranking #14908 in 2004 with 6 recorded births. This places Jancy in the bottom 21% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 11 births ranking #9310. In 2004, approximately 1 in every 306,020 girls born was named Jancy. FALLING Recent data shows the name is currently falling.