Name, full date of birth, place of burial, from Find a Grave website found in November 2023:
https://www.findagrave.com/memorial/183930024/mary-ann-radnidge
Mary Ann Radnidge (nee Beckett)
Birth: 8 Mar 1857
Raymond Terrace, Port Stephens Council, New South Wales, Australia
Death: 18 Sep 1941 (aged 84), Cessnock, New South Wales, Australia
Burial: Cessnock Cemetery, Cessnock, New South Wales, Australia
Plot: Anglican, Section 3, Row 8, Lot 25

Year and place of marriage from the Australia Marriage records, found in November 2023:
Groom: William Radnidge
Bride: Mary Ann Beckett
Marriage Year: 1874
Marriage Place: Maitland, New South Wales
Registration Year: 1874
Registration Place: Maitland, New South Wales, Australia

Name of mother “Esther Peak” from, Mary's entry in the Australian Royalty website, found in November 2023.