The name of his residence, which went to his dau Honora on his death, led to the title of Viscount Guillamore.
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His will:
HAYES, JEREMIAH, Cahirquillymore, Co. Limerick. 31 Aug. 1732. Narrate, 1 1/2 p., 5 Nov. 1733.
His wife, her two daughters. His brother Daniel Hayes and his nephew John FitzGibbon, trustees. His eldest daughter Margaret Blen[n]erhassett. His grandson Hayes Blen[n]erhassett. His daughter Honoria Grady. His son Grady [son-in-law, Standish O?Grady?]. His brother William Hayes. His sister Mary Terry. His nephew Patrick Furnell. Desires to be buried in the old church of Tolobracky.
Lands of Cahirquillymore, Ballynanty, Knockstephen, Farantlaba. and farm of Knockdromrooe in B. Connello [Co. Limerick]. His farm of Knockbrack and Rathbrassill, Co. Cork.
Witnesses: Patrick Terry, Limerick, Doctor in Physick, John Nihell, Glasscrione [? Glascloon], Co. Clare, gent., Ignatius Terry, Bohargeely, Co. Limerick, yeoman, Michael Hannan, Limerick, yeoman.
Memorial witnessed by: Ignatius Terry, Thomas Hopkins, Limerick, merchant.
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Note the propertiess referred to in this will - most are the same as Jeremiah Hayes?s will. John Weekes?s widow Margaret, dau of George Chinnery, apparently married a Daniel Hayes. (members.webone.com.au/~nickred/trees/weeks.pdf)
WEEKES, JOHN, Knockstevenogh, Co. Limerick, gent.
17 July 1708. Narrate, 1 1/2 p., 2 June 1711.
His wife. Son Nicholas under age. Daughter Anne (unmarried). Father-in-law George Chinnery, brother-in-law John Chinnery, and Nicholas Lysaght of Kilmallock, Esq., trustees. Brother Nicholas Weekes. Sister Elizabeth Weekes.
Cahirgyllimore, Ballynanties, Co. Limerick. Knockbrack, B. Duhallow, Co. Cork.
Witnesses: Alphonsus Cullen, Ballygrenan, clerk, John FitzGibbon, Fort, Doctor of Physic, Moses Wilmott, late of Knockstevana, gent., all in Co. Limerick.
Memorial witnessed by: Hen. Buckley, John Connell, clerk to Bruen Worthington.
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?... Honor indisputably came from a comfortable, rising family. Her brother, Jeremiah Hayes, apparently either purchased land from John Weekes, Dr FitzGibbon?s patient, or he married into the family. His will dated 1732 lists him as the owner of a number estates that had...
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... Honor provided Thomas FitzGibbon not only with a fortune, but with a large family as well. There were four sons, John, born in 1708, Patrick the father of Betham?s correspondent, Thomas and Gibbon.
Whatever his religion at birth, Jeremiah Hayes was unquestionably a Protestant at the time of his death. He could not have come into such extensive property otherwise. Both of his daughters married into strongly Protestant families, ...
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Whatever the later social and religious influence of the Hayes family, the elder John FitzGibbon and his brothers began life as Catholics. ...?
(John FitzGibbon, Earl of Clare: Protestant Reaction and English Authority in ...by Ann C. Kavanaugh. 1997. Page 9.)
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Thus when Honor Hayes was married, it was to a co-religionist, Thomas FitzGibbon, who assumed the rank of gentleman.The marriage produced four sons, of whom John FitzGibbon was the eldest.
...The example of his uncle, Jeremiah Hayes, who held extensive estates as a convert, must have also been a factor. ...
(Converts and conversion in Ireland, 1650-1850. Michael Brown, Charles Ivar McGrath, Thomas P. Power - 2005)
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Of Killuragh.

• Married:

1. Margaret Celinda Hayes
2. Honora Hayes
3. Mary Hayes

1. Type: Web Site
   Author: Tom Paterson
   URL: http://web.ukonline.co.uk/Members/tom.paterson/ogrady1.htm