In 1841 there is a Thomas Kerr (age 25)living in Dale Street, Liverpool. Transcribed as born Scotland but I can only see an S. He is a mariner. Living in a house with lots of others that dont have the same surname.
In 1841 there is a Thomas Kerr (20) living in Shepherds Lane, Hackney, Tower Hamlets, London. Again transcribed as born in Scotland but I cant see it. Hard to read, but I can see no occupation. Living in same house as (all surname Kerr); Margaret (50), Margaret (25), Jane (25), George (20), Eliza (15), William (15)
In 1851 there is a Thomas Kerr (32) living in Measham, Derbyshire. Tea and coffee dealer. Born Scotland. Living with wife Mary Ann (40, b Birmingham) and a servant.
In 1861 there is a Thomas M Kerr (46) living at 21 Tynemouth St, Everton, Liverpool. Born Scotland. He is a ropemaker. He is living with wife Harriet (37) b Sheffield.
1861 there is a Thomas Kerr (42) living at Swetstone, Leicestershire. He is a tea merchant born Scotland. Living with wife, Mary Ann (49) b Birmingham and niece Janet Kerr born Goode Pew, Lincolnshire.
In 1881 Thomas M Kerr (64) is living at Clyde Villa, Well Lane, Higher Bebington, Cheshire. He is a rope manufacturer born in Scotland. Living with wife Harriet (57) b Sheffield.
In 1881 there is a Thomas Kerr living at The Poplars, Sibson, Leicestershire. He is a retired tea merchant. No wife. He is uncle to the head of the house, George Foster (37, b Bolton) a farmer, George's wife Janet M (34 b Atherstone, Warwickshire) and George's son, George C (9 b Sibson). Thomas is born in Dumfries-shire, Scotland.
I am getting tired now.
There is a Thomas Kerr ( b c1821) married to a Charlotte. They are in Honiton, Devon. They appear in 1861, 1871 and 1881.
A Thomas Kerr appears in 1841 in Larnackshire, Scotland.
There are 4 different John Kerr's in Dumfrieshire in 1841.
Do you know where he was in 1841?
What was his occupation in later life?
If you want me to expand those Scottish census', please ask.