In 1841 - aged 28
In 1851 - aged 40
In 1861 - aged 40
In 1871 - aged 56
In 1881 - aged 50 - ? worth checking original
On the 1891 census:
16 Copeland Street, Dalbeattie
Barnard Kennedy, 73, general labourer, b. Ireland
Fanny, wife, 63,b. Glenluce, Wigtownshire
The 1900 death is for him - same address, same occupation, same wife. His son was informant, so maybe got the age wrong.
Gadget