Powerful stranger or dweller by the wall
Wallen is an English surname-turned-given-name with two primary roots. It may derive from the Germanic 'Walh', meaning 'stranger' or 'foreigner', or it may be a topographic name for someone who lived near a stone wall or a spring.
Less common today
Wallen isn't in the latest US Top 1000. It last peaked at #3,714 in 2024.
US births per 5-year period, 1990βpresent (SSA data).
A character in the fantasy series Β· The Wheel of Time