[1] They may have numbered sixty or seventy, and met in houses and "on hill tops".
[2][3] Mary and her followers wore white mantles on Sundays, and held ceremonies on the mountains above Ffestiniog.
She had said she would never die, so there was a long delay before her body was buried, but it was at last interred on 28 October 1789 in Llanfihangel-y-traethau churchyard.
Her followers kept scraps of her clothing as relics for some time, but the sect did not long survive her death.
[3] As late as the 1930s children were told to come inside before dark or Mari'r Fantell Wen would get them.