Sir Peter Joseph Barnewall, 14th Bt.1
He was educated at St. Joseph’s College, Nudgee, New South Wales, AustraliaG.1 He graduated from University of Queensland, Brisbane, Queensland, AustraliaG, with a Bachelor of Agricultural Science, Economics (B.Ag.Sc.)1 He gained the rank of officer in 1982 in the 2nd/14th Light Horse, Q.M.I., R.A.A.C.1 He was a consultant in agricultural economics.1 He lived in 2003 at 26 Tirrabella Street, Carina Heights, Queensland, AustraliaG.1 He succeeded as the 14th Baronet Barnewall, of Crickstown, co. Meath [I., 1623] on 27 April 2018.
Children of Sir Peter Joseph Barnewall, 14th Bt. and Kathryn Jane Carroll
- Jessica Rose Barnewall1 b. 10 Nov 1992
- Christopher Patrick Barnewall1 b. 3 Jun 1995
- Richard Joseph Barnewall1 b. 23 Apr 1997
- [S37] BP2003 volume 1, page 265. See link for full details for this source. Hereinafter cited as. [S37]
Kathryn Jane Carroll1
From 29 October 1988, her married name became Barnewall.1
Children of Kathryn Jane Carroll and Sir Peter Joseph Barnewall, 14th Bt.
- Jessica Rose Barnewall1 b. 10 Nov 1992
- Christopher Patrick Barnewall1 b. 3 Jun 1995
- Richard Joseph Barnewall1 b. 23 Apr 1997
- [S37] BP2003 volume 1, page 265. See link for full details for this source. Hereinafter cited as. [S37]
Hugh Carroll1
Child of Hugh Carroll
- [S37] BP2003 volume 1, page 265. See link for full details for this source. Hereinafter cited as. [S37]
Christopher Patrick Barnewall1
- [S37] BP2003 volume 1, page 265. See link for full details for this source. Hereinafter cited as. [S37]
Richard Joseph Barnewall1
- [S37] BP2003 volume 1, page 265. See link for full details for this source. Hereinafter cited as. [S37]
Jessica Rose Barnewall1
- [S37] BP2003 volume 1, page 265. See link for full details for this source. Hereinafter cited as. [S37]
Reginald John Barnewall, 12th Bt.1 
He succeeded as the 12th Baronet Barnewall, of Crickstown, co. Meath [I., 1623] on 23 September 1936.1
Child of Reginald John Barnewall, 12th Bt. and Jessie Ellen Fry
- Sir Reginald Robert Barnewall, 13th Bt.+1 b. 1 Oct 1924, d. 27 Apr 2018
Sir John Robert Barnewall, 11th Bt.1 
He succeeded as the 11th Baronet Barnewall, of Crickstown, co. Meath [I., 1623] on 18 April 1909.1
Children of Sir John Robert Barnewall, 11th Bt. and Grace Blennerhassett
- Eleanor Grace Barnewall2 b. 25 May 1886, d. 19 Aug 1886
- Reginald John Barnewall, 12th Bt.+1 b. 8 Jun 1888, d. 1 Nov 1961
- Arthur Walter Aylmer Barnewall+1 b. 15 Aug 1890, d. Aug 1961
John Aylmer Barnewall1 
In 1840 he settled in Australia.1
Children of John Aylmer Barnewall and Ellen Saunders
- Catherine Lucy Barnewall1 d. 3 Jun 1920
- Barbara Barnewall1
- Eleanor Barnewall1
- Sarah Barnewall1
- Sir John Robert Barnewall, 11th Bt.+1 b. 14 Apr 1850, d. 23 Sep 1936
- Maritza Barnewall1 b. 30 Jun 1852, d. 31 Oct 1931
- Adeline Barnewall1 b. 15 Oct 1854, d. 11 Jan 1947
- Eliza Barnewall1 b. 12 Jun 1857, d. 6 Nov 1945
- Francesina Barnewall1 b. 26 May 1861, d. 1 May 1892
Children of John Aylmer Barnewall and Annie Reid
- Alfred George Barnewall+1 b. 9 May 1880, d. 27 Jan 1952
- Bartholomew John Barnewall1 b. 29 Jan 1882, d. 18 Jul 1948
- Robert Benjamin Barnewall1 b. 18 Jan 1885, d. 1959
- [S37] BP2003 volume 1, page 266. See link for full details for this source. Hereinafter cited as. [S37]
Bartholomew Barnewall1
He gained the rank of officer in the County Meath Militia.1
Children of Bartholomew Barnewall and Barbara Chambers
- Robert Barnewall1
- Benjamin Barnewall1
- John Aylmer Barnewall+1 b. c 1812, d. 23 Jan 1890
- [S37] BP2003 volume 1, page 266. See link for full details for this source. Hereinafter cited as. [S37]