In 1861 I think the Pugh family that Emeltom found were living in Tredegar but the image is faint - transcribed on Ancestry as Stigh. All born Tredegar
John Stigh 45 Head Miner
Mary Stigh 41 Wife
Mary Stigh 17 Daughter
Elizabeth Stigh 14 Daughter
Jemima Stigh 12 Daughter
Hannah Stigh 10 Daughter
Sarah Stigh 7 Daughter
Jane Stigh 5 Daughter
Daniel Stigh 2 Son
John Robert Stigh 2/12 Son
Kay
Added - In 1871 Elizabeth age 24 is living with her parents in Tredegar altough this year her mother is listed as Keziah but she reverts to Mary by the 1881 census
On the GRO Birth Index John and Mary Pugh's children have mother's maiden name Roberts so possible marriage for Jphn and Mary from Anc
20 Feb 1843 Bedwellty, Monmouthshire
John Pugh Full Age Miner Father Daniel Pugh - Carrier??
Spouse Mary Roberts Full Age - Father John Roberts
Both from Tredegar