| Authorised form of name | Percy; Henry George (1846 - 1918); 7th Duke of Northumberland; British Conservative politican |
| Other forms of name | Earl Percy |
| Lord Warkworth |
| Dates | 1846 - 1918 |
| Nationality | British |
| Place of birth | Berkeley Square, London, Middlesex, England |
| Date of birth | 29 May 1846 |
| Place of death | Alnwick Castle, Alnwick, Northumberland, England |
| Date of death | 14/05/1918 |
| Activity | Education:
Christ Church, Oxford.
Career:
Held the office of Member of Parliament for North Northumberland (1868-1885); Privy Counsellor (1874); succeeded as the 5th Lord Lovaine, Baron of Alnwick, Northumberland (1887); held the office of Militia Aide-de-Camp to HM Queen Victoria (1892); succeeded as the 7th Duke of Northumberland (1899); succeeded as the 7th Earl Percy (1899); succeeded as the 4th Earl of Beverley, co. York (1899); succeeded as the 10th Baronet Smithson, of Stanwick, co. Yorks (1899); trustee of the British Museum (1900); held the office of Militia Aide-de-Camp to HM King Edward VII (1901); held the office of Lord-Lieutenant of Northumberland (1904); held the office of Militia Aide-de-Camp to HM King George V; held the office of Lord High Steward (1911); held the office of Chancellor of Durham University (1913-1918).
Honours:
KG 1899 |
| Membership category | Fellow |
| Date of election | 22/11/1900 |
| Age at election | 54 |
| Proposer | Joseph Lister; Andrew Noble; Frederick Augustus Abel; William Crookerl James Crichton Browne; Ludwig Mond; James Dewar; Frederick Bramwell |
| Royal Society activity | Royal Society roles:
VP 1910-1912 |
| Relationships | Parents: Algernon George Percy, 6th Duke of Northumberland and Louisa Drummond.
Spouse: Lady Edith Campbell, daughter of George John Douglas Campbell, 8th Duke of Argyll and Lady Elizabeth Georgiana Sutherland-Leveson-Gower (23 December 1868).
Children: Father of Louisa Elizabeth Percy; Edith Eleanor Percy; Henry Algernon George Percy; Lady Margaret Percy; Victoria Alexandra Percy; Josceline Percy; Ralph William Percy; Mary Maxwell; Lord William Richard Percy; James Percy; Eustace Percy, 1st and last Baron Percy of Newcastle; Muriel Evelyn Nora Percy; and Alan Ian Percy, 8th Duke of Northumberland. |
| Sources | Sources:
Bulloch's Roll; The Peerage [URL: https://www.thepeerage.com/p1007.htm, last accessed; 08/05/2024]. |
| Royal Society code | NA475 |
| Reference number | Title | Date |
| EC/1900/19 | Percy, Henry George, 7th Duke of Northumberland: certificate of election to the Royal Society | |
| NLB/28/105 | Copy letter from [Theodore E James] to [Henry George Percy], Duke of Northumberland | 11 January 1904 |
| NLB/27/677 | Copy letter from Robert William Frederick Harrison, to the [7th] Duke of Northumberland [Henry George Percy] | 13 November 1903 |
| MC/27/268 | Letter from Northumberland [Henry George Percy], 21 Grosvenor Place, S.W, to Robert Harrison, [Royal Society] | 4 December 1912 |
| MC/25/178 | Letter from [Henry George Percy], [Duke of] Northumberland, Travellers' Club, Pall Mall, S.W, to The Assistant Secretary, Royal Society | 28 October 1910 |
| ACS/1/1/306 | Letter from [Henry George Percy], Northumberland, 2 Grosvenor Place, S. W., to Mr [Alan Archibald] Campbell Swinton | 23 February 1912 |
| NLB/43/44/7 | Copy letter from Robert William Frederick Harrison, to [Henry George Percy] Duke of Northumberland, Fellow of the Royal Society | 27 October 1910 |
| NLB/43/54 | Copy letter from Robert William Frederick Harrison, to His Grace, [Henry George Percy] The Duke of Northumberland, Fellow of the Royal Society | 31 October 1910 |
| ACS/1/1/309 | Letter from [Henry George Percy], Northumberland, 2 Grosvenor Place, S. W., to Mr [Alan Archibald] Campbell Swinton | 23 April 1912 |
| ACS/1/1/308 | Letter from [Henry George Percy], Northumberland, 2 Grosvenor Place, S. W., to Mr [Alan Archibald Campbell] Swinton | 2 March 1912 |
| MC/25/179 | Letter from [Henry George Percy], [Duke of] Northumberland, Alnwick Castle, to The Assistant Secretary, Royal Society | 1 November 1910 |
| ACS/1/1/310 | Letter from [Henry George Percy] Alnwick Castle, to Mr [Alan Archibald] Campbell Swinton | 8 October 1912 |
| ACS/1/1/307 | Letter from [Henry George Percy], Northumberland, 2 Grosvenor Place, S. W., to Mr [Alan Archibald] Campbell Swinton | 29 February 1912 |