Helen Duncan is sometimes described as Scotland’s last witch, or the last person imprisoned for witchcraft in Britain, or the last person to be tried under the UK’s 1735 Witchcraft Act. None of those are quite accurate.
Gaskill, Malcolm. "Duncan [née MacFarlane], (Victoria) Helen McCrae (1897–1956), medium." Oxford Dictionary of National Biography. Oxford University Press. Date of access 7 Sep. 2022, https://doi.org/10.1093/ref:odnb/66217