Brian,
You say that they "moved to Coventry". But the 1851 shows that Joseph was born in Coventry. Here are the rest of the details:
Living in Much Park St, Coventry in 1851:
Joseph Scofield, Head, 45, Carpenter, born Coventry, Warks
Elizabeth, wife, 41, born Warwick, Warks
Sarah, daughter, 21, Silk Winder, born Leek Wooton, Warks
Benjamin, son, 16 Carpenter at home, born Warwick, Warks
Mary, daughter, 14, Silk Winder, born Birmingham
Thomas, 10 son, Carpenter at home, born Coventry
Elizabeth, daughter, 8 scholar, born Coventry
Charlotte, 5, scholar, born Coventry
Hannah, daughter, 3, born Coventry
Joseph, son, age illegible, born Coventry
If you want the 1861 just ask...