Dear Dewi,
I can't answer your question fully myself but a township was an ancient
division of land like a hamlet of which about 100 made up a cantef (hundred)
(like Lleyn which is the westernmost 2/3 of the peninsula) sub-divided into
commotes, sometimes also - confusingly - called hundreds, (like Cymydmaen,
Afloegion, Dinllaen being the 3 western-most commotes in Lleyn).
Places like Pwllheli, Nevin and Beaumares were Royal Boroughs from early
times and slightly outside all of this nomenclature.
The townships you were asking about may still even be visible on the modern
OS maps as farm names.
The corollary of this for us is that when looking at older records, as well
as farm, field or parish names we must remember townships and commotes as Mr
X could be described as being from any of them. In fact, one Lleyn family -
of Cefnllanfair, I think - obviously thought themselves to be of high
enough standing to call themselves "Llyn".
The township/commote/hundred thing gets more important as you get back
beyond 1800 but can explain some things more recently.
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