Gaynor \ga(y)-nor\ as a boy's name (also used as girl's name Gaynor), is of Irish and Gaelic origin, and the meaning of Gaynor is "son of the fair-skinned one". From a different root from the feminine version; for male children, this is a transferred surname.

Gaynor has 6 variant forms: Gaine, Gainer, Gainor, Gay, Gayner and Gaynnor.

Baby names that sound like Gaynor are Connor, Konnor, Conor, Gunner, Gunnar and Konor.