John Campbell, Lord High Chancellor of Ireland 1841 and of England 1859, was created Baron Campbell in 1841 and died in 1861. He was involved in the drafting of the Encumbered Estates' Bill and was a director of the Law Life Assurance Society. His son William Frederick became the 2nd Lord Campbell and inherited the title Baron Stratheden from his mother.
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The Reverend Alexander Clendining was rector of Westport in the late 18th century. He had a number of sons including Thomas Valentine, George and Alexander. George Clendining and his son George, were agents for the Marquesses of Sligo's estates from circa 1798 until 1847 when George junior was dismissed. George Clendining junior was appointed receiver on the estates of Lord Oranmore and Browne in 1843. He was declared a bankrupt in 1851. Another family member Alexander Clendining was agent to Colonel FitzGerald at Turlough and the Moores of Moorehall. The Clendinings intermarried with the O'Donels of Newport and with the Lamberts of Brookhill, county Mayo.
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Two brothers of this Herefordshire family bought estates in the barony of Erris, county Mayo, in the mid 19th century. Their grandfather was a first cousin of Robert Clive of India, who was elevated to the peerage of Ireland in 1762 as Baron Clive of Plassey.
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The Collum family were associated with the Orme family as property owners in the Barony of Tireragh, County Sligo although their main property base was in County Fermanagh.
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Charles ffrench Blake Forster records that Edmond Concannon of Carrownacreggy (died 1770) had a son Henry who married Rachael Marshal of Ballygaddy, county Galway and died in 1810. Henry Concannon had 2 sons Edmond John and James Henry, who married Olivia daughter of Neptune Lynch of Woodpark, county Roscommon. Edmond John Concannon of Waterloo married in 1815 Jane Blake of Belmont and had 6 sons Henry, John, Edmond, James Blake, Arthur and George.
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John Crofton, an Elizabethan settler, was granted lands in the counties of Roscommon and Leitrim. He had 4 sons, Edward founder of the Mote Park family, John of the Lisadurn family, William of Temple House, county Sligo and Henry of Mohill, county Leitrim.
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Reverend John Cromie, rector of Ballinrobe and brother of Sir Michael Cromie baronet, married in 1795 Emily Juliana daughter of 1st Baron Kilmaine. They had a number of children including the Reverend William Cromie and Charles Cromie who was an agent for a number of landowners in the locality including his uncle Lord Kilmaine.
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A granddaughter of the first Sir James Cuff of Ballinrobe married into the Pakenham family, Earls of Longford. A later James Cuff was created Baron Tyrawley in 1797.
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A Leinster family who held a small estate in county Roscommon. Their residence in the 19th century was Abbeville, Malahide, which was the home of Charles J. Haughey in more recent times.
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