From Muriel Leo’s (nee Oliver, 1917-1998) Family Tree.

Maiden last name from Rachel Frances Oliver born 31 August 1940.

Name confirmed from information from photo from Joy (Margaret Joy) Nixon - nee Oliver, daughter of Leslie John Oliver.
Information from Joy says Baptised 8 May 1842 at Ramsbury.

Buried Heads Road Cemetery, Block 12, 15th grave in from centre aisle. Date of death and approximate year of birth of 1841 derived from grave.

Second name, month and year of birth of 1842, and place of birth and death, date of marriage, from Jenny Smith whose late husband, John Monro Menzies, was the grandson of Telitha Carrel (b. 1885), sister of Maud Oliver (nee Carrel).
Jenny says Martha with her husband Ambrose, and children, emigrated to New Zealand, leaving Gravesend, London, England on 24 December 1874 on the "Edwin Fox", and arriving four months later in Wellington New Zealand 18 April 1875.

Result from death search on New Zealand BDM website in March 2022:
1931/3662. Woolford, Martha. Died age 90Y

Full date of death of 2 May 1931 confirmed from further searching in March 2022 on BDM Search by incrementally changing the date range for the death.

Headstone inscription from Wanganui Heads Road Cemetery records found in March 2022:
1121. In loving memory of WINNIFRED beloved daughter of Ambrose and Martha WOOLFORD, died 22nd November 1907 aged 21 years; also AMBROSE WOOLFORD died 20th June 1922 aged 82 years; also MARTHA beloved wife of the above, died 2nd May 1931 aged 90 years.

New Zealand Electoral Roll - Wanganui Roll 1896, found in March 2022:
Woolford, Ambrose, Residence: Brunswick Line; Occupation: farmer, Qualification: residential
Woolford, Martha, Residence: Brunswick Line; Occupation: wife, Qualification: residential
[NOTE: First time Martha Woolford (nee Fisher] appears; woman did not receive the vote in New Zealand until the 1893 Election].

New Zealand Electoral Roll - Wanganui Roll 1899, found in March 2022:
Woolford, Martha, Residence: Brunswick Line; Occupation: wife, Qualification: residential
Woolford, Joseph, Brunswick Line, farm hand, residential [Son]

New Zealand Electoral Roll - Rangitikei Roll 1903, found in March 2022:
Woolford, Martha, Residence: Brunswick Line; Occupation: wife, Qualification: residential
Woolford, Joseph, Brunswick Line, farm hand [Son]
Woolford, James Ambrose, Brunswick, labourer [Son]
Woolford, Edith, Brunswick [Wife of James Ambrose Woolford]

New Zealand Electoral Roll - Rangitikei Roll 1905-1906, found in March 2022:
Woolford, Martha, Brunswick, wife
Woolford, Joseph, Brunswick Line, farm hand [Son]
Woolford, William, Brunswick Line, farm labourer [Son]
Woolford, James Ambrose, Brunswick, labourer [Son]
Woolford, Edith, Brunswick, domestic duties [Wife of James Ambrose Woolford]

New Zealand Electoral Roll - Wanganui Supplementary Roll 1908, found in March 2022:
Woolford, Martha, Halswell Street, married
{NOTE: Martha is living only just over a half mile (1 km) from son William and his wife Annie Elizabeth (nee Coventry) who are now living at 31 Keith Street].

New Zealand Electoral Roll - Wanganui Roll 1911, found in March 2022:
Woolford, Martha, 37 Halswell Street, married

New Zealand Electoral Roll - Wanganui General Roll, 1914, 1919, 1922, found in March 2022:
Woolford, Martha, 37 Halswell Street, married

New Zealand Electoral Roll - Wanganui Electoral Roll 1925, found in March 2022:
Woolford, Martha, 37 Halswell St., widow

New Zealand Electoral Roll - Wanganui General Roll 1928, found in March 2022:
Woolford, Martha, 37 Halswell Street, widow

- -
Wise’s New Zealand Post Office Directory 1926
Halswell Street, Left side fr Somme parade, 7th listing past Glasgow st intersects:
37 Woolford, Mrs A

Wise’s New Zealand Post Office Directory 1930
Halswell Street, Left side fr Somme parade, 7th listing past Glasgow st intersects:
37 Woolford, Mrs Martha

Death notice from the Wanganui Chronicle, 9 May 1931 found in Papers Past in August 2022:
DEATHS.
WOOLFORD. - On May 2, 1931, at her residence, No. 37 Halswell Street, Martha, relict of the late Ambrose Woolford; aged 90 years.