This family were established at Ryecourt, parish of Moviddy, barony of East Muskerry, county Cork, in the late 17th century. They had family connections with the Meade, Tonson, Thornhill and Baldwin families. At the time of Griffith's Valuation Richard Tonson Rye's estate was in the parishes of Aglish, Athnowen, Kilmurry and Moviddy, barony of East Muskerry while George Frederick Rye held land in the parishes of Killeagh and Ightermurragh, barony of Imokilly. In the 1870s he owned 3,412 acres in county Cork. An estate of 1,676 acres near Cork city, Midleton and Mogeely, belonging to Richard Tonson Rye, was advertised for sale in November 1879.