Ruadth Share definition Flag Ruadth is a Gaelic name meaning 'Red.' Comes from Scotland. Aye. Usually pretty awesome. Person 1: Hey have you met Ruadth?Person 2: Yeh, she's that lass from Scotland.Person 1: Aye. Ruadth by LovleyJubbly October 27, 2011 0 0 Get merch Get the Ruadth mug. Buy Now — $32.95 See more merch