Reigh is a unisex given name of English origin, derived from the Old English word 'rīh', meaning 'rich' or 'powerful'. It has been used historically as a surname but has begun to gain popularity as a first name in recent years. The name Reigh is often associated with royalty due to its derivation from the Old English word for 'king'. It is also sometimes linked to the Irish surnameReilly, which means 'fierce'. There are several variations and derivatives of the name Reigh, including Rey, Reign, and Rye.
"Reigh saw an increase in popularity from 2021 to 2022, with 6 births recorded in the latter year compared to just 7 in the former. This brought the total number of newborns named Reigh over these two years to 13."