Teaghan is a distinctive girls' name in United States, ranking #5025 in 2019 with 27 recorded births. The name reached its all-time peak in 2011 with 91 births ranking #2120. Since 1996, the popularity has increased by 440.0%. In 2019, approximately 1 in every 62,132 girls born was named Teaghan. FALLING Recent data shows the name is currently falling.