Irish name. In Irish, the name Quaid means-irish form of walter.The name Quaid originated as an Irish name. The name Quaid is most often used as a boy name or male name.Irish Name Meaning-irish form of walter.eaning of Quaid. Irish name. In Irish, the name Quaid means-irish form of walter.The name Quaid originated as an Irish name. The name Quaid is most often used as a boy name or male name. Irish Name Meaning-irish form of walter.