She was later active in netball administration and Guiding, and was closely involved in saving Old St Paul's, Wellington, from demolition in the 1960s.
[1][2][3][4] She was educated at Wellington Girls' College, and then spent three years working in London as a clerk at Burroughs Wellcome.
[3] Returning to Wellington in 1939, she spent the next 30 years working as a clerk and secretary for engineering company James Niven Limited.
[3] The campaign was ultimately successful, with the New Zealand government purchasing Old St Paul's in 1967; the building was subsequently restored by the Ministry of Works.
[8][9] Plant was appointed as curator of Old St Paul's by the Historic Places Trust (now Heritage New Zealand) in 1969, and undertook the role for 11 years.
Thomas recognised that Plant was able to undertake the many duties required of the verger quickly and efficiently, and that she was knowledgeable in church ritual.