Name, maiden name, from Marriage Certificate of son, John, received from NZ BDM in June 2025:
Groom’s Father: Peter Shaughnessy
Groom’s Father’s Occupation: Tailor
Groom’s Mother’s Name: Theresa Shaughnessy
Groom’s Mother’s Maiden Name: Regan

Year and country of marriage from search on New Zealand BDM website in June 2025:
1880/2212. Bride: Theresa Regans. Groom: Peter Shaughnessy

Full date of marriage of 26 July 1880 from further searching in June 2025 on BDM Search by incrementally changing the date range for the marriage.

Husband Peter dies on 1 December 1893, five months before son William is born on 6 July 1894.

New Zealand Electoral Roll - Bay of Plenty Roll 1896, found in June 2025:
Shaughnessy, Theresa, Tauranga, domestic duties, residential

New Zealand Electoral Roll - Bay of Plenty Roll 1899, found in June 2025:
Shaughnessy, Theresa, Tauranga, domestic duties, residential

New Zealand Electoral Roll - Bay of Plenty Roll 1902, found in June 2025:
Shaughnessy, Theresa, Tauranga, domestic duties

New Zealand Electoral Roll - Bay of Plenty Roll 1900, found in June 2025:
Shaughnessy, Theresa, Tauranga, domestic duties

New Zealand Electoral Roll - Waitemata Supplementary Roll 1908, found in June 2025:
Shaughnessy, Theresa, Victoria Road, Devonport, widow

New Zealand Electoral Roll - Waitemata Roll 1911, found in June 2025:
Shaughnessy, Theresa, Clarence Street, Devonport, widow

New Zealand Electoral Roll - Waitemata General Roll 1919, found in June 2025:
Shaughnessy, Theresa, 207 Victoria Road, Devonport, widow
Shaughnessy, William Joseph, 207 Victoria Road, Devonport, discharged soldier [Son]

Date of death, estimated year of birth, date and place of burial, from Auckland Council cemetery search found in June 2025:
Name: Teresa O'shaughnessy
Date of birth: Unknown
Date of death: 2 December 1940
Age at death: 86 years [Therefore born circa 1854]
Gender: Female
Region: North
Cemetery name: O'neill's Point Cemetery [Devonport, Auckland]
Plot location: O'neill's Point Cemetery, Public Area, Row R, Plot 080
Remains type: Body
Date of burial: 4 December 1940
Funeral director: H. Morris Funerals Limited

Result from death search on New Zealand BDM website in June 2025:
1940/17433. O'Shaughnessy, Theresa. Died age 86Y

Full date of death of 2 December 1940 confirmed from further searching in June 2025 on BDM Search by incrementally changing the date range for the death.

Year and country of birth from search on New Zealand BDM website in June 2025:
1854/2448. Regan, Teresa. Mother: Ellen. Father: John

Full date of birth of 1 January 1854 from further searching in June 2025 on BDM Search by incrementally changing the date range for the birth.