Bangor & Beaumaris Workhouse
From The Workhouse Website

Caernarfonshire Census Records
Census Finder - a directory of free census records.

Caernarvonshire Census Search - FreeCEN
FreeCEN volunteer transcription project.

Caernarvon Traders
Extractions from Trade Directories and Census Returns

Conway Workhouse
From The Workhouse Website

Pwllheli Workhouse
From The Workhouse Website

Rhiw.com
Llyn Census 1861