Douglas often used generically in UK entries.
Have you looked at the original entry ?
The analysing clerks often added a county name.
Check the handwriting is the same for town and county.

There is only one 1861 entry:
Lonan, Ballacoojeen
James Killip, head married, 60, agricultural labourer
Ann, wife, married, 49
James, son, unmarried, 27, agricultural labourer
Catherine, daughter, 12,
Lewis, son, 5

All born Lonan