Here is the Joseph Mason whose death you found recorded in Coolabanagher Parish. Joseph's daughter Olivia Mason (sister to famous William Shaw Mason), was second wife of Henry Hutton, (alderman & later Chief Magistrate of City of Dublin, also related to the family of well known coach builders from Dublin). Henry Hutton's first wife was Elizabeth Barber (died 1793 Dublin), and their daughter Olivia Hutton married Richard William Tibeaudo (1790-1856), son of Oliver Anselm Tibeaudo & Susannah Mason, daughter of William Mason & Ursula Baldwin. Round and round we go!!
More about Joseph Mason, father of William Shaw, Olivia, and Edward Groves Mason in his obituary:
1816, Dec. 1. In Charlemont-street, Dublin, in his 63th year, Joseph Mason esq. He was the younger son of a respectable family which had been for some time settled at Little Coolbanagher, in the Queen's County, adjoining Shane Castle, the residence of the late Dean Coote. Mr. Mason was early introduced into active life, and long held a confidential and laborious situation in the office for the payment of corn premiums, where, for many years previously to its suppression, he was one ef the deputy-paymasters. He has been often heard to say that when he first came to Dublin he had not more than a guinea in his pocket, and that, although in the course of his official duties sums to the amount of more than 60.000/. annually passed through his hands, yet he never left, his account one shilling in arrears. Mr. Mason was first married to Miss Groves, sister to the late James Groves, esq. an eminent attorney in Dublin, by whom he had issue three surviving children: Wm.-Shaw, author of the Statistical Survey of Ireland; Olivia, first married to Alderman Hutton, late Lord Mayor of Dublin, and now the wife of Robert White, esq. of Grafton-street, in the same city, one of the firm of the house of Hawkes, Moieley, and Co. London; and Edward-Groves, of the First Fruits Office. Mr. Mason was afterwards married to Miss Andrews, eldest sister of Alderman Andrews of Dublin. His remains are deposited in the cemetery of St. John's Church, Coolbanagher, within a mile of the place of his nativity.
