1879, Edwin Waugh, “The Wimberry Cake”, in The Chimney Corner[1], Manchester: Abel Haywood and Son, page 98:
"Well; I've just made a wimberry cake, for these childer. Yo can have a bit of that, if yo'n a mind."
1996, Richard Mabey, “Heathers Ericaceae”, in Food Britannia[2], Sinclair Stevenson, →ISBN, page 163:
Wimberry tarts and pies are sold in pubs around Shropshire and the Marches. In Yorkshire they are known as 'mucky-mouth' pies and served as part of funeral teas.
2012, Andrew Webb, “The North-West and the Isle of Man”, in Food Britannia[3], Random House, →ISBN, page 137:
'It's only Lancashire people, and only those who live within a small vicinity, who've heard of a wimberry pie.'