His parent is not known.
Her mother was Jane Rennie. The 1841 census shows Margaret and her sister Jean staying with their grandmother, Jane Rennie.
Her father was James Mackie and her mother was Elspet Stott who were married 11 September 1803 in the parish of Foveran.
- James born 1828 christened 29 July 1828 in the parish of Foveran
- Alexander [A19] born 1831 - died 10 September 1870 at Corskelly in the parish of Lonmay. Married Ann Clark
- Robert born 1833
- Mary born 2 February 1838 in the parish of Cruden
- John Murray born 1843 - died 3 May 1910 in the parish of Glasgow, Lanark. Married Christian Murcar
- Barbara born 1845 christened 2 May 1845 in the parish of Peterhead - died 11 November 1888 in the parish of Aberdeen. Married George Archibald Shirran