Rheagen as a Baby Name. Meaning and Origin of Rheagen

What is the meaning of the name Rheagen ?

The baby name Rheagen is a Unisex name , 2 syllables long and is pronounced RAY-gən (IPA: /ˈreɪɡən/).

Rheagen is English in Origin.

Rheagen is a contemporary respelling of Reagan/Regan, a surname of Irish origin from Ó Riagáin (also Ó Ríogáin), meaning “descendant of Riagán.” The personal name Riagán is often interpreted as “little king,” from rí “king” with the diminutive -án, though some scholars connect it to riag, “impetuous, stubborn.” Pronounced RAY-gən, Rheagen functions as a unisex given name in line with many Irish-derived surnames adopted as first names.

As a given name it rose alongside Reagan in the late 20th century across the English-speaking world, particularly in the United States, where political and pop-cultural visibility boosted its use. The Rheagen spelling likely arose to foreground the popular element Rae while preserving the familiar -gan ending; it can also visually echo Rhea, though the etymology is distinct. Related forms include Reagan, Regan, Raegan, Ragan, Rheagan, and Reaghan; nicknames include Rae, Ray, and Rea. The meaning aligns with Reagan’s.

⚙ Rheagen does not appear in any of the birth registries or name datasets we track. This usually means it's either extremely rare, a regional/traditional name not captured by official statistics, or a brand-new coinage. Use it knowing your child will almost certainly be the only one in the room.