Idk, the Holy Rollers (in the aisles) (we call them the "Roly-Poly church) started on Topeka, KS in the 19th century.
Pentecostalism is a charismatic religious movement that gave rise to a number of Protestant churches in the United States in the 20th century and is unique in its belief that all Christians should seek a post-conversion religious experience called ‘baptism with the Holy Spirit.’
www.britannica.com
Probably not many in Wales.
Between the way they talk in tongues and the way Welsh people spell? They might just speak the same language!