Teaghan is a distinctive girls' name in United States, ranking #5381 in 2021 with 24 recorded births. The name reached its all-time peak in 2011 with 91 births ranking #2120. Since 1996, the popularity has increased by 380.0%. In 2021, approximately 1 in every 68,321 girls born was named Teaghan. FALLING Recent data shows the name is currently falling.