Eliza Feston1
After her marriage, Eliza Feston was styled as Viscountess Guillamore in 1869. From 1869, her married name became O’Grady.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 139. Hereinafter cited as The New Extinct Peerage.
W. H. Feston1
Child of W. H. Feston
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 139. Hereinafter cited as The New Extinct Peerage.
Gertrude Lily Langford1 
From 1911, her married name became O’Grady.1 After her marriage, Gertrude Lily Langford was styled as Viscountess Guillamore in 1918.
Child of Gertrude Lily Langford and Frederick Standish O’Grady, 6th Viscount Guillamore
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 139. Hereinafter cited as The New Extinct Peerage.
J. Langford1
Child of J. Langford
- Gertrude Lily Langford+1 d. 1952
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 139. Hereinafter cited as The New Extinct Peerage.
Hon. Kathleen Gertrude O’Grady1
Her married name became Hearn.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 139. Hereinafter cited as The New Extinct Peerage.
Captain G. C. Hearn1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 139. Hereinafter cited as The New Extinct Peerage.
Mary Margaret Frances Hunt1
From 1890, her married name became O’Grady.1 After her marriage, Mary Margaret Frances Hunt was styled as Viscountess Guillamore on 11 October 1927.
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 139. Hereinafter cited as The New Extinct Peerage.
Vere Hunt1
Child of Vere Hunt
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 139. Hereinafter cited as The New Extinct Peerage.
Peter Robert Burrell, 4th Baron Gwydyr1 
He was educated at St. John’s College, Cambridge University, Cambridge, Cambridgeshire, England.2 He was Secretary to the Lord Great Chamberlain between 1837 and 1870.1 He held the office of High Sheriff of Suffolk in 1858.1 He succeeded as the 4th Baron Gwydyr, of Gwydr, co. Carnarvon [G.B., 1796] on 26 August 1870.1 He succeeded as the 5th Baronet Burrell, of West Grinstead Park, co. Sussex [G.B., 1766] on 26 August 1870. He held the office of Chairman of Quarter Sessions, Suffolk.1 He held the office of High Steward of Ipswich between 1884 and 1909.1
Child of Peter Robert Burrell, 4th Baron Gwydyr and Sophia Campbell
- Willoughby Merrik Campbell Burrell, 5th Baron Gywdyr+1 b. 26 Oct 1841, d. 13 Feb 1915
Child of Peter Robert Burrell, 4th Baron Gwydyr and Georgina Holford
- Hon. Cicely Burrell1 b. 2 Jan 1858
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 140. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 3, page 4196. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Frederick Drummond-Burrell1 
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 140. Hereinafter cited as The New Extinct Peerage.