Submitted Name Save Type Surname (from given name) Usage Irish Other Forms FormsÓ Luachra Edit Status Status [show contributorhide contributor] Added 3/22/2016 by anonymous Meaning & History Reduced Anglicized form of Gaelic Ó Luachra "descendant of Luachra", a personal name derived from luachair "light". The name is often translated, Rush from a Gaelic homonym, luachair meaning "rush".