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Map of McAndrews in Ireland in mid-1800s

The name McAndrew has its origin both in Scotland and in Ireland. This page is concerned with the Irish origins of the the surname.

The map above shows the distribution of the McAndrew surname in Ireland in the mid-1800s as listed in the Griffith Valuation of Ireland. The Valuation was a survey done in the years from 1848-1864 of everyone who owned and/or rented land in Ireland. Since no census records of Ireland exist for this time period, the Griffith Valuation is of great value in Irish genealogy in that it is the only way of learning who lived where in Ireland at that time.

There were 232 people listed in the Valuation with the surname of McAndrew - and 186 of these were in County Mayo. The homeland of the McAndrew name can be pinpointed as being in the northwest corner of County Mayo in the civil parish of Kilcommon in what was known as the Barony of Erris. The historical account describes the original McAndrew homeland as being on the eastern side of Lough Conn.

The only other county that had a sizable population of the name McAndrew was County Sligo.

The McAndrew coat of arms is shown at right.

Out of the 232 occurences of the name McAndrew, only eight were spelled as "McAndrews" (with an "s").

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