Esther, I have them in the 1861 census. They were in Sherburn Hill Village. All I see for children are John, 18, Mary 12, and a , Isabella age 8 months. The enumerator was not consistant at putting names of towns born in and this family only had county. Sherburn 1861 Census, Village of Sherburn Hill, 144 Durham Row RG9/3745 Folio 17 page 28 Evan Roberts, Head,married, 34, Coalminer, Wales Isabella Roberts, Wife,married, 42, County Durham John Roberts, son, 18, Coalminer, County Durham Mary Roberts, daughter, 12, County Durham Isabella Roberts, daughter, 8 months, County Durham Isabella birth certificate is available at Durham Central office in year 1860. She is not on the 1871 census. Sending image off list. Janis