Cunningham, Margaret Estelle (1900–1984)
Headmistress of the Fintona Girls School, Victoria.
- Cunningham, Eliza Bethea (mother)

- Cunningham, Charles Stuart (father)

- Cunningham, Ethel Florence (stepmother)

- Cunningham, Jean Macklin (sister)

- MacKenzie, Lila Beatrice (sister)

- Cunningham, Edward Buick (brother)

- Cunningham, Anthea Glencairn (half-sister)

- Watt, Beverley Rand (stepsister)

- Cunningham, June Kincraig (sister-in-law)

- Cunningham, Edward Sheldon (uncle)

Citation details
'Cunningham, Margaret Estelle (1900–1984)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/cunningham-margaret-estelle-19381/text30816, accessed 7 June 2023.