Assumptions made because of 1891 census - need to get a copy of it, and the marriage certificate to prove this is the same person.
The age is right for James - William Prentice staying at the same address is the right age for James' father.
Dwelling: Craigneuk Borlands Land Robberhall Rd
Census Place: Dalziel, Lanark, Scotland
Source: FHL Film 0203627 GRO Ref Volume 639 EnumDist 11 Page 11
Marr Age Sex Birthplace
James PRENTICE M 22 M Bothwell, Lanark, Scotland
Rel: Head
Occ: Colliery Blacksmith
Jane PRENTICE M 22 F Dalziel, Lanark, Scotland
Rel: Wife
Janet PRENTICE 1 F Dalziel, Lanark, Scotland
Rel: Daur
Margaret PRENTICE 1 m F Dalziel, Lanark, Scotland
Rel: Daur
Gave his age as 22 in 1890
Gave her age as 20 in 1890. She was about 5' tall.
Father in Scottish Military Regiment
Married woman from Corby - the one who wanted Grandma's brass kettle