Reighan is a distinctive girls' name in United States, ranking #18548 in 2005 with 5 recorded births. This places Reighan in the bottom 3% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 14 births ranking #8486. In 2005, approximately 1 in every 369,540 girls born was named Reighan. FALLING Recent data shows the name is currently falling.