Teaghan is a distinctive girls' name in United States, ranking #4099 in 2022 with 36 recorded births. The name reached its all-time peak in 2011 with 91 births ranking #2120. Since 1996, the popularity has increased by 620.0%. In 2022, approximately 1 in every 45,521 girls born was named Teaghan. FALLING Recent data shows the name is currently falling.