| 1 | A | B | C | D | E | F |
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| 2 | List of Royal Canadian Mounted Police commissioners - List of Commissioners |  |  |  |  |  |
| 3 | Agency | Number | Name | Term Start | Term End | Notes |
| 4 | North-West Mounted Police (NWMP) (1873–1920) | 1. | W. Osborne Smith | September 25, 1873 | October 17, 1873 | First Commissioner of the NWMP. |
| 5 | North-West Mounted Police (NWMP) (1873–1920) | 2. | George Arthur French | October 18, 1873 | July 21, 1876 | - |
| 6 | North-West Mounted Police (NWMP) (1873–1920) | 3. | James Farquharson MacLeod | July 22, 1876 | October 31, 1880 | - |
| 7 | North-West Mounted Police (NWMP) (1873–1920) | 4. | Acheson Gosford Irvine | November 1, 1880 | March 31, 1886 | - |
| 8 | North-West Mounted Police (NWMP) (1873–1920) | 5. | Lawrence William Herchmer | April 1, 1886 | July 31, 1900 | - |
| 9 | North-West Mounted Police (NWMP) (1873–1920) | 6. | Aylesworth Bowen Perry | August 1, 1900 | March 31, 1923 | The NWMP merged with the Dominion Police in 1920 to form the RCMP, thus Perry was the final Commissioner of the NWMP and the first Commissioner of the RCMP. |
| 10 | Royal Canadian Mounted Police (RCMP) (1920–present) | 6. | Aylesworth Bowen Perry | August 1, 1900 | March 31, 1923 | The NWMP merged with the Dominion Police in 1920 to form the RCMP, thus Perry was the final Commissioner of the NWMP and the first Commissioner of the RCMP. |
| 11 | Royal Canadian Mounted Police (RCMP) (1920–present) | 7. | Cortlandt Starnes | April 1, 1923 | July 31, 1931 | - |
| 12 | Royal Canadian Mounted Police (RCMP) (1920–present) | 8. | Sir James Howden MacBrien | August 1, 1931 | March 5, 1938 | - |
| 13 | Royal Canadian Mounted Police (RCMP) (1920–present) | 9. | Stuart Taylor Wood | March 6, 1938 | April 30, 1951 | - |
| 14 | Royal Canadian Mounted Police (RCMP) (1920–present) | 10. | Leonard Hanson Nicholson | May 1, 1951 | March 31, 1959 | - |
| 15 | Royal Canadian Mounted Police (RCMP) (1920–present) | 11. | Charles Edward Rivett-Carnac | April 1, 1959 | March 31, 1960 | - |
| 16 | Royal Canadian Mounted Police (RCMP) (1920–present) | 12. | Clifford Walter Harvison | April 1, 1960 | October 31, 1963 | - |
| 17 | Royal Canadian Mounted Police (RCMP) (1920–present) | 13. | George Brinton McClellan | November 1, 1963 | August 14, 1967 | - |
| 18 | Royal Canadian Mounted Police (RCMP) (1920–present) | 14. | Malcolm Francis Aylesworth Lindsay | August 15, 1967 | September 30, 1969 | RCMP Patrol Vessel Lindsay was named in his honour. |
| 19 | Royal Canadian Mounted Police (RCMP) (1920–present) | 15. | William Leonard Higgitt | October 1, 1969 | December 28, 1973 | RCMP Patrol Vessel Higgitt was named in his honour. |
| 20 | Royal Canadian Mounted Police (RCMP) (1920–present) | 16. | Maurice Jean Nadon | January 1, 1974 | August 31, 1977 | RCMP Patrol Vessel Nadon was named in his honour. The present day RCMP National Headquarters building in Ottawa was named in his honour on October 05th, 2011. |
| 21 | Royal Canadian Mounted Police (RCMP) (1920–present) | 17. | Robert Henry Simmonds | September 1, 1977 | August 31, 1987 | RCMP Patrol Vessel Simmonds was named in his honour. |
| 22 | Royal Canadian Mounted Police (RCMP) (1920–present) | 18. | Norman Inkster | September 1, 1987 | June 24, 1994 | RCMP Patrol Vessel Inkster was named in his honour. |
| 23 | Royal Canadian Mounted Police (RCMP) (1920–present) | 19. | Joseph Philip Robert Murray | June 25, 1994 | September 1, 2000 | - |
| 24 | Royal Canadian Mounted Police (RCMP) (1920–present) | 20. | Giuliano Zaccardelli | September 2, 2000 | December 15, 2006 | - |
| 25 | Royal Canadian Mounted Police (RCMP) (1920–present) | 21. | Beverley Busson | December 15, 2006 | July 16, 2007 | Interim Commissioner; Busson was the RCMP's first female Commissioner. |
| 26 | Royal Canadian Mounted Police (RCMP) (1920–present) | 22. | William J. S. Elliott | July 16, 2007 | November 20, 2011 | First civilian Commissioner. |
| 27 | Royal Canadian Mounted Police (RCMP) (1920–present) | 23. | Bob Paulson | November 21, 2011 | June 30, 2017 | - |
| 28 | Royal Canadian Mounted Police (RCMP) (1920–present) | — | Dan Dubeau | June 30, 2017 | April 16, 2018 | Acting Commissioner; Dubeau served in the role at the rank of Deputy Commissioner. |
| 29 | Royal Canadian Mounted Police (RCMP) (1920–present) | 24. | Brenda Lucki | April 16, 2018 | Incumbent | Current Commissioner; Lucki is the RCMP's first permanent female Commissioner. |

Question: Who was the eighth commissioner for the Royal Canadian Mounted Police, and what were the start and end dates of his term?
Answer: James Howden MacBrien served as the eighth Commissioner of the Royal Canadian Mounted Police, from August 1, 1931 to March 5, 1938.