By 1841 Cunningham, is a Servant listed as Stevens, John & William both Ag Labs seem to be listed in the County, but not Robert or the parents.
However there is another couple, in the County, with children from age 2 – 10, this John is age 56 & Euphemia 40.
There is also a death record for a JOHN STEVENSON, AGE 49 - 16/04/1830 KIRKCUDBRIGHT’
Colin