This is a collection of the richness of the Welsh language, as found in the words and sayings of the people of Anglesey. They have been collected by Siôn Gwilym, Llannerch-y-medd who, from an early age, doted on the originality of the dialect of the inhabitants of the rural community in which he was raised.

Iaith rymus Môn geir yma, ar ffurf casgliad o ddywediadau, rhigymau a geiriau, oll at bwrpas, wedi eu casglu dros gyfnod o ddeugain mlynedd gan Siôn Gwilym, Llannerch-y-medd. Llafur cariad am iddo wirioni'n llwyr pan oedd yn ifanc iawn ar wreiddioldeb hwyliog a dawn dweud y gymdeithas werinol a gwledig y'i magwyd ynddi.