Here's a list of the Maxwell Clark[e]'s living in Dms & Kbt according to the transcripts by
http://www.dgarchives.fsnet.co.uk/.
You can find other residents by searching for parish & household no.
My interest is more with the 2nd wife of the MC living at Caerlaverock, my ggg aunt Mary Cowan.
Name: CLARK , Maxwell
Address: Loaning Head(815)
Parish: Caerlaverock
Relationship: head of household
Marital Status: married
Occupation: LABOURER tile maker
Age: 22
Born: born Kirkgunzeon Kbt
Household No: 3/17
Name: CLARK , Maxwell
Address: Village of Cottack(822)
Parish: Dunscore
Relationship: daughter of Margaret Clark
Marital Status: unmarried
Occupation: SERVANT agricultural
Age: 19
Born: born Glencairn Dms
Household No: 6/10
Name: CLARK , Maxwell
Address: Balgreddan(871)
Parish: Kirkcudbright
Relationship: sister in law of William Bell
Marital Status: unmarried
Occupation: VISITOR
Age: 35
Born: born Kelton Kbt
Household No: 3A/27
Name: CLARK , Maxwell
Address: Corra(872)
Parish: Kirkgunzeon
Relationship: son of William Clark
Marital Status:
Occupation:
Age: 3
Born: born Kirkgunzeon Kbt
Household No: 2/40
Name: CLARK , Maxwell
Address: Village of Kirkgunzeon(872)
Parish: Kirkgunzeon
Relationship: head of household
Marital Status: married
Occupation: MASON/grocer/farmer of 10 acres
Age: 39
Born: born Kirkgunzeon Kbt
Household No: 3/19
Name: CLARK , Maxwell
Address: Village of Kirkgunzeon(872)
Parish: Kirkgunzeon
Relationship: son of Maxwell Clark
Marital Status:
Occupation: SCHOLAR
Age: 6
Born: born Kirkgunzeon Kbt
Household No: 3/19
Name: CLARKE , Maxwell
Address: Little Culmain(884)
Parish: Urr
Relationship: head of household
Marital Status: married
Occupation: FARMER/proprietor of 150 acres employing 7 workers
Age: 70
Born: born Kirkgunzeon Kbt
Household No: 2/32
Name: CLARKE , Maxwell
Address: Blaiket Cottage(884)
Parish: Urr
Relationship: son in law of Samuel Thomson
Marital Status: married
Occupation: AGRICULTURIST
Age: 24
Born: born Urr Kbt
Household No: 2/38
(thanks to the volunteers at D & G Archives)