There's an interesting entry on the 1841 in Llandysilio, Llanfyllin
Edward Edwards, 30, ag lab
Elizbeth, 25
Edward, 3
Cuffin, 7 months
David Thomas. 70
Ann Thomas, 60
All b. County except David and Ann
Cuffin's birth reg:
Dec q, 1840, Llanfyllin, 27/76 MMN Jones (add - 1841 was held in June)
Not sure but worth following - ages seem similar, allowing for aging down on 1841, and b county could be correct depending on PL Union