Mayo South: 1966 Presidential Election

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-Total-Carlow–Kilkenny Cavan Clare Cork Borough Cork Mid Cork North–East Cork South–West Donegal North–East Donegal South–West Dublin County Dublin North–Central Dublin North–East Dublin North–West Dublin South–Central Dublin South–East Dublin South–West Dún Laoghaire and Rathdown Galway East Galway West Kerry North Kerry South Kildare Laois–Offaly Limerick East Limerick West Longford–Westmeath Louth Mayo North Mayo South Meath Monaghan Roscommon Sligo–LeitrimTipperary North Tipperary South Waterford Wexford Wicklow