There were eight children in the family of John and Margaret Clarke. At September 2011, their descendant count was 656+ and 269+ spouses.
Several of their grandchildren or their spouses are living and in those cases, the spouses are not included in this list.
1. Thomas Michael Clarke m Olive Josephine Edser
- Joan Clarke m William Purcell
- Marie Clarke ~ Entered Little Company of Mary in 1945
- Therese Clarke
- John Clarke
2. Helena Hanna Clarke m Henry Charles Baldwin
- John Baldwin m Mary Crutcher
- Harry Baldwin
- Mary Baldwin m Patrick McCumstie
3. John James Clarke
4. Joseph Francis Clarke
5. William Matthew Clarke m Elizabeth Matilda McPhillips
- Annie Clarke
- Dorothy Clarke m Joseph Shaw
- Mary Clarke m Cecil Milligan
- Margaret Clarke m Vincent Ryan
- Matthew Clarke
- Agatha Clarke m Cecil Benson
- Basil Clarke
- Winifred Clarke
6. Mary Margaret Clarke m John Smyth
- Rosalia Smyth m Joseph Ptolemy
- Honora Smyth m John Lyons
- Joseph Smyth
- Helena Smyth
- Syra Smyth m Leslie Jeffery
- Theresa Smyth m Harold Mainey
- Phillip Smyth
- Patricia Smyth m Duncan Kelly
7. Honora Anastasia Clarke m Arthur Moore
- John Moore
- Mary Moore
- Thomas Moore m Mary Hurst
- Arthur Moore
- Brian Moore
- Maurice Moore
- Terence Moore
8. Patrick John Clarke