Sir William McMahon, 1st Bt.1 
He was a practising barrister.2 He held the office of Master of the Rolls [Ireland].2 He was appointed Privy Counsellor (P.C.)2 He was created 1st Baronet McMahon, of Dublin [U.K.] on 6 May 1815.2
Children of Sir William McMahon, 1st Bt. and Frances Burston
- Sir Beresford Burston McMahon, 2nd Bt.+3 b. 14 Feb 1808, d. 11 Jan 1873
- William John McMahon3 b. 3 Jul 1811, d. 26 Oct 1861
Children of Sir William McMahon, 1st Bt. and Charlotte Shaw
- Charlotte Maria McMahon3 d. 5 Mar 1894
- Louisa McMahon3 d. 28 Sep 1889
- Wilhelmina McMahon3
- Robert McMahon3 b. 13 Dec 1815
- Augustus McMahon3 b. 15 Aug 1819, d. 25 May 1853
- Sir Charles McMahon3 b. 10 Jul 1824, d. 28 Aug 1891
unknown son McMahon1
- [S47] BIFR1976 Stacpoole, page 1044. See link for full details for this source. Hereinafter cited as. [S47]
John Stacpoole1
- [S47] BIFR1976 Stacpoole, page 1044. See link for full details for this source. Hereinafter cited as. [S47]
George Stacpoole1
- [S47] BIFR1976 Stacpoole, page 1044. See link for full details for this source. Hereinafter cited as. [S47]
William Stacpoole1 
He was a party to lawsuits involving the esate of his mother’s uncle, John Stacpoole.1 He lived at Cloghernatiny, County Clare, IrelandG.1
- [S47] BIFR1976 Stacpoole, page 1044. See link for full details for this source. Hereinafter cited as. [S47]
Katherine Coppinger1
Her married name became Ronayne.1
Children of Katherine Coppinger and Joseph Ronayne
John Stacpoole1
- [S47] BIFR1976 Stacpoole, page 1044. See link for full details for this source. Hereinafter cited as. [S47]
George William Stacpoole1 
He was admitted to Lincoln’s Inn in 1792.1 He graduated from Trinity College, Dublin University, Dublin, County Dublin, IrelandG, with a Doctor of Law (LL.D.)1
- [S47] BIFR1976 Stacpoole, page 1045. See link for full details for this source. Hereinafter cited as. [S47]
Dorothea Griffin1 
From 30 November 1800, her married name became Stacpoole.1
- [S47] BIFR1976 Stacpoole, page 1044. See link for full details for this source. Hereinafter cited as. [S47]
Richard Griffin1
Child of Richard Griffin
- Dorothea Griffin1 d. 3 Apr 1802
- [S47] BIFR1976 Stacpoole, page 1044. See link for full details for this source. Hereinafter cited as. [S47]
