Roy

Anglicized form of RUADH. A notable bearer was the Scottish outlaw and folk hero Rob Roy (1671-1734). It is often associated with French roi "king".

RUADH   male   Irish, Scottish
Gaelic byname meaning "red", often a nickname for one with red hair. This was the nickname of the Scottish outlaw Raibeart Ruadh MacGregor (1671-1734), known as Rob Roy in English.
EQUIVALENTS
DUTCH: Roy
ENGLISH: Roy
IRISH: Ruadh
SCOTTISH: Roy, Ruadh
DIMINUTIVES AND SHORT FORMS
IRISH: Ruadhán
OTHER FORMS
ENGLISH: Ormond, Ormonde, Rowan, Rowanne
IRISH: Rowan