If you look at the Forest of Dean family History forum transcribed records : there are two James COWMEADOW and Elizabeth having children.
One family is James, who is a Blacksmith at Abenhall and Drybrook, the other James is a labourer at Newland, residence: Redbrick
At Abenhall
briefly
1813 : James COWMEADOW, residence : Forest of Dean, James, occupation, Blacksmith
1815 : Mary-ann COWMEADOW, residence: Forest of Dean, James, occupation: Blacksmith
At Drybrook
1817 : Cornelius COWMEADOW, residence : Drybrook, James, occupation, Smithy
1820: not stated, residence, Drybrook, James, occupation Smith,
1826 : Hannah COWMEADOW, residence: Drybrook, James, occupation, Smith
At Mitcheldean
1822: Elizabeth COWMEADOW, residence: Forest of Dean, occupation, Blacksmith
At Newland
1815 : Mary Ann - residence: Redbrook, James, occupation, Labourer
1815 : Hannah - residence, Redbrook, James, occupation, Labourer