Her baptism abstract:
First name(s) Mary Anne
Last name James
Birth year 1836
Birth date 01 Aug 1836
Baptism year 1837
Baptism date 17 May 1837
Place Wrexham
Denomination Presbyterian
Father's first name(s) John
Mother's first name(s) Mary Anne
County Denbighshire
Country Wales
The National Archives reference TNA/RG/4/4131
Description: DENBIGHSHIRE: Wrexham, Chester Street Chapel
(Presbyterian): Births & Baptisms
Record set England & Wales Non-Conformist Births And Baptisms
_________________
In 1871 she had all her children with her except Lydia Marian who was at a boarding school in Wem, Shropshire and except her husband who was undoubtedly away on business. But I put the list of this census on his Person Sheet to keep all the family information in one place. She said she was "wife of ... of Mill".
_________________
From the archives in Bangor University from Wynn Hall, she was, at least in her youth, known as Minnie, possibly a corruption of Mary Anne.
The archives are at <
https://archiveshub.jisc.ac.uk/data/gb222-wynn/wynn/615> and comprise over 150 documents, etc.
Her granddaughter Katherine Maude Hill gave Minnie as her forename when she registered her mother's death, her mother being Mary Anne's second daughter, Annie Sara.
_________________