Lynch is a surname of Irish and Anglo-Norman origin.
The English surname of Lynch derives from the Norman de Lench family who came to England with King William the Conqueror and settled at Cranbrook in Kent as members of the Landed Gentry. The Lynch family were seated at Grove House in the village of Staple near Canterbury in Kent (now demolished), their family Arms consist of Three Lynxes Rampant and most of the family were buried in Staple parish church. Notable members of this family include: MP for Sandwich (1553–4) The Right Hon. Simon Lynch of Staple, Governor of British Jamaica Sir Thomas Lynch, High Sheriff of Kent (1714) Colonel John Lynch of Staple (whose maternal grandfather was Lord Bishop of London The Right Rev. John Aylmer), Royal chaplain & Dean of Canterbury Cathedral The Very Rev. Dr. John Lynch (who married the daughter of the Archbishop of Canterbury The Right Hon. William Wake), diplomat & MP for Canterbury The Right Hon. Sir William Lynch of Staple.
There are several different unrelated Irish families of which Lynch is the Anglicized form of including:
Coat of arms recorded among the heraldic offices in Dublin and London include that of Lynch of Galway: