« Reply #3 on: Sunday 19 March 17 10:34 GMT (UK) »
census entries to help any others searching
1861 Llwynderw RG9/4200 folio 77 pg 11
John Edwards head mar 31 miner lead
Margret wife 29 b. Llanrhested
Mary dau 9
John son 7
Sarah Ann dau 4
Margret 9 months
all born Llanbadarn fawr except Margret senior
1871 Penybont RG10/5567 folio 8 pg 9
John Edwards head mar 42 lead miner
Margaret wife 39
John son 17 lead miner
Sarah dau 15
Margaret dau 10
David son 7
Elizabeth dau 4
Evan son 10 months
all born Llanbadarn fawr
1881 Penybontrhydybeddau RG11/5449 folio 104 pg 10
John Edwards head widower 51 lead miner
David son 17 lead miner
Elizabeth dau 14 domestic servant
Evan son 10
Morgan grandson 5
all born Llanbadarn fawr
This would appear to be the family described in your post, but Margaret was 9 months in 1861, not 9 years, so is it the correct family?

Cornwall: Allen, Bevan, Bosisto, Carnpezzack, Donithorn, Huddy, James, Retallack, Russell, Vincent, Yeoman
Cards: Thomas (Llanbadarn Fawr)
Glam: Bowler, Cram, Galloway, James, Thomas, Watkins
Lincs: Coupland, Cram
Mon: Cram, Gwyn, John, Philpot, Smart, Watkins
Pembs: Edwards (St. Dogmael's)
Yorks: Airey, Bowler, Elliott, Hare, Hewitt, Kellett, Kemp, Stephenson, Tebb