Marshall affiliates to the Māori nations of
Ngāti Kuia,
Rangitāne o Wairau,
Ngāti Rārua and
Ngāti Takihiku. in North & South magazine, and the
Otago Daily Times. Marshall has also written multiple in-memoriam poems for
Newsroom.
Emma Espiner described her as "one of [New Zealand's] greatest essayists". In 2020 Marshall was announced as the inaugural Emerging Māori Writer in Residence for the
International Institute of Modern Letters (IIML),
Victoria University of Wellington. Professor
Damien Wilkins described her as having an "astonishing voice". and appeared in the
VERB Festival in
Wellington, writing for the series
Art History is a Mother. She has run guest workshops for
Prospect Park Productions. In 2023 she ran a successful crowdfunding campaign for travel costs to help her complete a manuscript for
Te Herenga Waka University Press. Her work has been published in the anthology Tell You What (Great New Zealand Nonfiction 2017). == Personal life ==