Murray Tyrrell
| Sir Murray Tyrrell | |
|---|---|
| The Tyrrells on their wedding day, 6 May 1939 | |
| 4th Official Secretary to the Governor-General of Australia | |
| In office 25 March 1947 – 30 January 1973 | |
| Monarchs | George VI Elizabeth II | 
| Governors‑General | Sir William McKell (1947–53) Sir William Slim (1953–60) The Viscount Dunrossil (1960–61) The Viscount De L'Isle (1961–65) The Lord Casey (1965–69) Sir Paul Hasluck (1969–73) | 
| Preceded by | Sir Leighton Bracegirdle | 
| Succeeded by | Sir David Smith | 
| Personal details | |
| Born | Murray Louis Tyrrell 1 December 1913 Kilmore, Victoria, Australia | 
| Died | 13 July 1994 (aged 80) Canberra, Australian Capital Territory | 
| Spouse | Ellen St Clair Greig  (m. 1939) | 
| Children | 3 | 
Murray Louis Tyrrell, KCVO, CBE (1 December 1913 – 13 July 1994) was an Australian public servant who served as the Official Secretary to the Governor-General of Australia for a record 26 years, from 1947 to 1973, in which he served six governors-general.