Albert Holden Illingworth, 1st and last Baron Illingworth1 

Albert Holden Illingworth, 1st and last Baron Illingworth was born on 25 May 1865.1 He was the son of Henry Illingworth and Mary Holden.1 He married, firstly, Annie Elizabeth Crothers, daughter of Isaac Holden Crothers, on 18 April 1895.1 He and Annie Elizabeth Crothers were divorced in 1926.1 He married, secondly, Margaret Mary Clare Wilberforce, daughter of William Basil Wilberforce, on 18 November 1931.3 He died on 23 January 1942 at age 76.1
He was educated at London International College, London, EnglandG.1 He was a partner of Daniel Illingworth and Sons, Spinners.1 He was chairman of Isaac Holden et Fils, SA.1 He held the office of Member of Parliament (M.P.) for Lancashire, Heywood Division between 1915 and 1918.1 He was appointed Privy Counsellor (P.C.) in 1916.1 He held the office of Postmaster-General between 1916 and 1921.1 He held the office of Member of Parliament (M.P.) for Lancashire, Heywood and Radcliffe Division between 1918 and 1921.1 He was created 1st Baron Illingworth, of Denton, West Riding of co. Yorks [U.K.] on 4 June 1921.1
- [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 155. Hereinafter cited as The New Extinct Peerage.
- [S300] Michael Rhodes, “re: Ernest Fawbert Collection,” e-mail message to BENR, 8 February. Hereinafter cited as “re: Ernest Fawbert Collection.”
- [S21] L. G. Pine, The New Extinct Peerage, page 156.
Rt. Hon. Sir Percy Holden Illingworth1 

Rt. Hon. Sir Percy Holden Illingworth was born on 19 March 1869.1 He was the son of Henry Illingworth and Mary Holden.1 He married Mary Mackenzie Coats, daughter of George Coats, on 16 January 1907.1 He died on 3 January 1915 at age 45.1
He graduated from Cambridge University, Cambridge, Cambridgeshire, EnglandG, with a Bachelor of Laws (LL.B.)1 He graduated from Cambridge University, Cambridge, Cambridgeshire, EnglandG, with a Master of Arts (M.A.)1 He was admitted to Inner Temple in 1894 entitled to practise as a Barrister-at-Law.1 He fought in the Boer War in 1900.1 He held the office of Member of Parliament (M.P.) for Yorkshire, Shipley Division.1 He held the office of Parliamentary Secretary to the Treasury.1 He held the office of Parliamentary Secretary to the Chief Secretary for Ireland between 1906 and 1910.1 He was appointed Privy Counsellor (P.C.)1 He had three sons.1
Child of Rt. Hon. Sir Percy Holden Illingworth and Mary Mackenzie Coats
- [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 155. Hereinafter cited as The New Extinct Peerage.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Mary Mackenzie Coats1
From 16 January 1907, her married name became Illingworth.1
Child of Mary Mackenzie Coats and Rt. Hon. Sir Percy Holden Illingworth
- [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 155. Hereinafter cited as The New Extinct Peerage.
George Coats1
Child of George Coats
- [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 155. Hereinafter cited as The New Extinct Peerage.
Marion Illingworth1 
From 1 June 1881, her married name became Mitchell.1 In 1913 her name was legally changed to Illingworth by Deed Poll.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 155. Hereinafter cited as The New Extinct Peerage.
Tom Mitchell1 
He lived at The Park, Eccleshill, Yorkshire, EnglandG.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 155. Hereinafter cited as The New Extinct Peerage.
Robert George I. Nicholl1 
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
Digby Seys Whitlock Nicholl1 
Child of Digby Seys Whitlock Nicholl and Caroline Winifred Blandy
- Robert George I. Nicholl1 b. 1898
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
Annie Elizabeth Crothers1
From 18 April 1895, her married name became Illingworth.1 After her marriage, Annie Elizabeth Crothers was styled as Baroness Illingworth on 4 June 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 155. Hereinafter cited as The New Extinct Peerage.
Isaac Holden Crothers1
Child of Isaac Holden Crothers