For your interest and to tick off a few more names on you most frequent surname list posted Reply #12.
ELLIOTT was the maiden surname of Elizabeth, the mother of Joseph William,
Joseph William with his wife Rebecca, (nee EAGLES), had the son John Edward John WONSON.
(Also Rebecca, using surname WONSON lists another son Claude 1897 (father not listed Died 1897)
Here is the marriage of WONSON/ ELLIOTT
666/1861
WONSON Joseph
ELLIOTT Eliza
SYDNEY
I cannot locate a marriage between James WONSON and Mary Ann
--James WONSON also being the other son mentioned above of Joseph WONSON and Elizabeth (nee ELLIOTT)- --
However, at her death in 1913 her parents are Thomas and Ann
Death
WONSON MARY A
1739/1913
F. Thomas
M. Ann
GLEBE
This might be her birth and the surname is
ALLEN.
ALLEN MARY A
336/1858
F. Thomas
M. Anne
SYDNEY
This is a series of Funeral Notices published upon the death of Mary Ann WONSON (presumably nee ALLEN) 1913
Each relative publishes separately. James and wife mentioned and also Mr and Mrs
EVANShttps://trove.nla.gov.au/newspaper/article/15391840?searchTerm=%22wonson%20mary%20ann%22~3Here is a marriage WONSON/ EVANS, She was one of the daughters of James and Mary Ann (nee ALLEN) WONSON
5373/1911
EVANS PercyJ B
WONSON Caroline P
GLEBE
Sue