Teagan is a distinctive boys' name in United States, ranking #1631 in 2025 with 104 recorded births. The name reached its all-time peak in 2009 with 382 births ranking #652. Since 1996, the popularity has increased by 215.2%. In 2025, approximately 1 in every 16,424 boys born was named Teagan. FALLING Recent data shows the name is currently falling.
Teagan is a lively modern Celtic-style name with more than one commonly cited route. It is often associated with ideas such as beauty or poetry, but sources do vary.
The name grew rapidly because it sounds energetic and contemporary while still carrying Celtic flavour. Its popularity is stronger than certainty about one single etymology.