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|Description:||The Jennings were descended from the Norman family of de Burgo or Bourke. They were the McSeonins or sons of John, anglicised to Jonine and later to Jennings. The Jennings family held extensive lands in the barony of Kilmaine, county Mayo, before the land upheavels of the 17th century when they were deprived of most of their estates. Michael Newton from Ontario, Canada, did a large amount of research on the Jennings family in the 1980s, copies are in the library of the Irish Genealogical Society, London. The Mount Jenings and Fountainhill branches of the family spelt their name without a double 'n'. Theobald Jenings of Fountainhill and George Jenings of Castletown, uncle of George Jenings of Mount Jenings appear to have been brothers.|