Marion was born in approximately 1855 at Emerald Hill, South Melbourne, Victoria, Australia. There is little information about her childhood or upbringing, but in 1882 she married John Smith Hackett
From the 1903 electoral roll, you can see that her husband, John, is a Post Master at Murtoa, inland Victoria, near Horsham. From that union, stemmed 5 children as follows:
| Birth | Name | Year | |
| 1884 | Constance Margaret | Died | 1933 |
| 1887 | Harold Ramsay | Died | 1889 |
| 1889 | Marion Lyall Ramsay | Died | 1969 |
| 1891 | John Reginal Ramsay | Died | 1944 |
| 1894 | Jean Isabel Ramsay | Died | 1955 |
Marion passed away on the 21 Aug 1913 at Horsham, Victoria, Australia
