Teeghan is a distinctive girls' name in United States, ranking #11181 in 2012 with 10 recorded births. This places Teeghan in the bottom 43% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 20 births ranking #6542. In 2012, approximately 1 in every 176,074 girls born was named Teeghan. FALLING Recent data shows the name is currently falling.