The Vicariate Apostolic of the Western District was elevated to archdiocese status on 4 March 1878 and then to metropolitan archdiocese status on 25 May 1947. The current archbishop is His Grace the Most Reverend Mario Joseph Conti , Metropolitan Archbishop of Glasgow.
| Tenure
| Incumbent
| Notes
|
| Vicariate Apostolic of the Western District
|
| 13 February 1827 to 20 September 1832 | Bishop Ranald MacDonald, Vicar Apostolic of the Western District | Vicar Apostolic of the Highland District; died in office
|
| 20 September 1832 to 15 October 1845 | Bishop Andrew Scott, Vicar Apostolic of the Western District | Coadjutor Vicar Apostolic of the Western District; resigned
|
| 15 October 1845 to 15 December 1865 | Bishop John Murdoch , Vicar Apostolic of the Western District | Coadjutor Vicar Apostolic of the Western District; died in office
|
| 15 December 1865 to 4 March 1869 | Bishop John Gray , Vicar Apostolic of the Western District | Coadjutor Vicar Apostolic of the Western District; resigned
|
| 4 March 1869 to 15 March 1878 | vacancy |
|
| Archdiocese of Glasgow
|
| 15 March 1878 to 27 March 1902 | Charles Petre Eyre , Archbishop of Glasgow | Apostolic Administrator of the Western District, died in office
|
| 4 August 1902 to 14 October 1920 | John Maguire , Archbishop of Glasgow | Auxiliary Bishop of Glasgow, died in office
|
| 14 October 1920 to 24 February 1922 | vacancy |
|
| 24 February 1922 to 8 December 1943 | Donald Mackintosh , Archbishop of Glasgow | Priest; ordained 21 May 1922; died in office
|
| 6 January 1945 to 25 May 1947 | Donald Alphonsus Campbell , Metropolitan Archbishop of Glasgow | Bishop of Argyll and the Isles; becoming Metropolitan Archbishop
|
| Metropolitan Archdiocese of Glasgow
|
| 25 May 1947 to 22 July 1963 | Donald Alphonsus Campbell , Metropolitan Archbishop of Glasgow | Hitherto Archbishop; died in office
|
| 29 January 1964 to 23 April 1974 | James Donald Scanlan , Metropolitan Archbishop of Glasgow | Bishop of Motherwell; retired
|
| 23 April 1974 to 26 November 1994 | Thomas Joseph Winning , Metropolitan Archbishop of Glasgow | Auxiliary Bishop of Glasgow; becoming Cardinal
|
| 26 November 1994 to 17 June 2001 | Thomas Joseph Cardinal Winning , Metropolitan Archbishop of Glasgow | Died in office
|
| 15 January 2002 to present | Mario Joseph Conti , Metropolitan Archbishop of Glasgow | Bishop of Aberdeen
|
