working back..
the free search on the 1911 census shows the David Morgan married to Emily as 28. There is a baptism in Llanedy of a David Morgan in 1883 that looks to match, but he's not on the census with the family
https://familysearch.org/pal:/MM9.1.1/KCLZ-XTV1881 New Inn, Gwilly, Llanedy RG11/5378 folio 110 pg 9
John Morgans head mar 37 Innkeeper & Haulier
Elizabeth wife 34
Samuel son 13
Sarah dau 10
John son 7
William son 2
Thomas son 2 months
all born Llanedy
1891 New Inn RG12/4499 folio 104 pg 8
John Morgans head mar 47 licenced victualler & farmer
Elizabeth wife 44
Thomas son 10
Daniel son 4
Mary dau 2
Sarah Hughes 17 domestic servant
all born Llanedy
1891 Maesyberllan, Iscoed, Llanedy RG12/4499 folio 112 pg 24
John Rees head widower 58 blacksmith
Ann Morgans niece 15 housemaid
David Morgan nephew 7 scholar
all born Llanedy
1901 Maesyberllan
John Rees head widower 68 blacksmith own account
David Morgan nephew 17 blacksmith
John Edwards nephew 30 coal miner hewer below ground b. Llandebie
Ann Edwards daughter-in-law 25
Thomas J Edwards nephew 3 months
all born Llanedy except where noted, and all Welsh speaking.
Think the relationships of the Edwards family are a bit mixed up as John Edwards married Anne Morgans june qtr 1899 and she was niece in 1891.