In the 1851 census for Restigouche County, there are only two families of McNeish.

Donald McNeish age 59,
came from Scotland to NB in 1830 with his wife Margaret Hamilton
who is listed as being age 54.

They have for children,
Thomas age 22,
Donald age 18,
Margaret age 15
Catherine age 12

John McNeish age 50
his wife Mary Kerr, age 47.

They have children:
John (24)
William (22)
Thomas (15)
Alexander (13)
Nancy (11)
Daniel (9)