Updated June 9, 2019 Find Baby Names Boy name origins & meanings Latin : KingOld French : Regal one Boy name variations Rex Rex - 1% this year Masculine Rare READ MORE DETAILS Rei Rei - 40% this year Neutral Rare READ MORE DETAILS Rexford Rexford - 14% this year Masculine Rare READ MORE DETAILS Rexer Rexer 0 % this year Masculine Rare READ MORE DETAILS Roy Roy - 2% this year Masculine Uncommon READ MORE DETAILS Royal Royal - 2% this year Neutral Uncommon READ MORE DETAILS Royale Royale - 3% this year Masculine Rare READ MORE DETAILS Royall Royall 0 % this year Masculine Rare READ MORE DETAILS Roye Roye 0 % this year Masculine Rare READ MORE DETAILS How Popular Is The Name Roi