Rory is a given name of Gaelic origin. It is an anglicisation of the Irish: Ruairí/Ruaidhrí and Scottish Gaelic: Ruairidh/Ruaraidh and is common to the Irish, Highland Scots and their diasporas. The meaning of the name is "red king", composed of ruadh ("red") and rígh ("king"). . In Ireland and Scotland, it is generally seen as a masculine name and therefore rarely given to females. History. An early use of the name in antiquity is in reference to Rudraige mac Sithrigi, a High King of Ireland who eventually spawned the Ulaid (indeed, this tribe are sometimes known as Clanna Rudhraighe).
https://en.wikipedia.org/wiki/Rory