There doesn't seem to be a lot of help out there, but I have carried on regardless!
The family came from Tinwald, lived at Kinnelbridge in 1851 and at Parkend in 1873.
The following details are mainly from the 1851 Census. (By the way it was census day in Australia yesterday.)
Smith Family at Kinnelbridge in 1851:
All children born were at Tinwald unless otherwise noted
Asterisk indicates person at Kinnelbridge for the Census.
*SMITH, James
Address: Kinnelbridge(840)
Parish: Lochmaben
CARPENTER Age: 56
Born: Tinwald Dms
SMITH, Mary (Nee Thomson)
Wife, Age: 56
SMITH , William Thomson Age: 30
*SMITH , John
Teacher of English Age: 26
*SMITH , Janet Harkness Age: 24
SMITH, Mary Thomson Age: 24
SMITH, Robert Thomson Age: 22
SMITH, James Thomson Age: 21
*SMITH , Wellwood Thomson Age: 19
SMITH, Jean Age: 17
*SMITH , Charles Willoughby Age: 14
*SMITH , George Greig Age: 13
*SMITH , Alexander Melville Babington
(Melville) Age: 11
*SMITH , William A
(Carlaw William Aitken)
Son of William T Smith Age: 8
Born: Liverpool England
Also at Kinnelbridge:
*THOMSON , Robert
Relationship: brother of James Smith
Brother in Law???
Unmarried
TEA MERCHANT retired Age: 44
Born: Kirkmichael Dms
*FARGRAY , Robert Thomson Smith FAIRGRAY
(Bob) - Son of Janet Smith & John Fairgray
Born Lochmaben Dms Age: 2
SMITH, Helen
Daughter of John Smith
Address: St Thomas Chaple(840)
Parish: Lochmaben
Relationship: grand daughter of John Cron
Born: Lochmaben Dms Age: 5
At Parkend 1851
HARKNESS , William
Address: Parkend Farm(840)
Parish: Lochmaben
Relationship: head of household
Marital Status: married
Occupation: FARMER of 130 acres employing 7 labourers
Age: 53
Born: Moffat Dms
Household No: 3A/19