Katrina Lambard1 
From 10 June 1884, her married name became Conway.1
Child of Katrina Lambard and William Martin Conway, 1st and last Baron Conway of Allington
- [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 83. Hereinafter cited as The New Extinct Peerage.
Charles Lambard1
Child of Charles Lambard
- Katrina Lambard+1 d. 22 Nov 1933
- [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 83. Hereinafter cited as The New Extinct Peerage.
Hon. Agnes Conway1
Her married name became Horsfield.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 83. Hereinafter cited as The New Extinct Peerage.
G. W. Horsfield1
- [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 83. Hereinafter cited as The New Extinct Peerage.
Iva (?)1
From before 1934, her married name became Lawson.1 From 17 November 1934, her married name became Conway.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 83. Hereinafter cited as The New Extinct Peerage.
Reginald Lawson1 
- [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 83. Hereinafter cited as The New Extinct Peerage.
Captain Reginald Curteis1
Child of Captain Reginald Curteis
- Mary Curteis+1 b. 15 Feb 1841, d. 12 Nov 1921
- [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 83. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 1, page 1029. See link for full details for this source. Hereinafter cited as. [S37]
Thomas Mackay Cooper, 1st and last Baron Cooper of Culross1 
He was admitted to the Faculty of Advocates in 1915.1 He was educated at George Watson’s College, Edinburgh, Midlothian, ScotlandG.1 He graduated from University of Edinburgh, Edinburgh, Midlothian, ScotlandG, with a Bachelor of Laws (LL.B.)1 He was Junior Legal Assessor to the City of Edinburgh in 1922.1 He graduated from University of Edinburgh, Edinburgh, Midlothian, ScotlandG, with a Master of Arts (M.A.)1 He was appointed Queen’s Counsel (Q.C.)1 He held the office of Solicitor-General [Scotland] in 1935.1 He was appointed Privy Counsellor (P.C.) in 1935.1 He held the office of Lord Advocate [Scotland] between 1935 and 1941.1 He was appointed Fellow, Royal Society of Edinburgh (F.R.S.E.)1 He was awarded the honorary degree of Doctor of Law (LL.D.) by University of Edinburgh, Edinburgh, Midlothian, ScotlandG.1 He was appointed Officer, Order of the British Empire (O.B.E.)1 He was appointed Fellow, Royal Asiatic Society (F.R.A.S.)1 He held the office of Bencher of the Middle Temple.1 He held the office of Lord Justice Clerk [Scotland] between 1941 and 1946.1 He held the office of Lord Justice General [Scotland] between 1947 and 1954.1 He held the office of President of the Court of Session between 1947 and 1954.1 He was created 1st Baron Cooper of Culross, of Dunnet, co. Caithness [U.K.] on 31 July 1954.1
- [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 83. Hereinafter cited as The New Extinct Peerage.
John Cooper1 
He was Burgh Engineer at Edinburgh, Midlothian, ScotlandG.1 He was registered as a Civil Engineer (C.E.)1
Child of John Cooper and Margaret Mackay
- Thomas Mackay Cooper, 1st and last Baron Cooper of Culross1 b. 24 Sep 1892, d. 15 Jul 1955
- [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 83. Hereinafter cited as The New Extinct Peerage.
Margaret Mackay1
Her married name became Cooper.1
Child of Margaret Mackay and John Cooper
- Thomas Mackay Cooper, 1st and last Baron Cooper of Culross1 b. 24 Sep 1892, d. 15 Jul 1955
- [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 83. Hereinafter cited as The New Extinct Peerage.
