Teaghan is a distinctive girls' name in United States, ranking #3219 in 2020 with 49 recorded births. The name reached its all-time peak in 2011 with 91 births ranking #2120. Since 1996, the popularity has increased by 880.0%. In 2020, approximately 1 in every 32,970 girls born was named Teaghan. FALLING Recent data shows the name is currently falling.