Nicholas Mahon Power was among the principal lessors in the parishes of Ballynakill and Faithlegg, barony of Gaultiere, County Waterford, at the time of Griffith's Valuation.
Standing as a Repeal Association candidate, he was elected in 1847 as one of the two Members of Parliament (MPs) for County Waterford.
[3] Power and his fellow Waterford MP John Esmonde were elected as candidates of the Irish Whig Party, which had been in alliance with nationalists.
The family home was Faithlegg House, Cheekpoint, County Waterford.
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