Wikipedia
Groggan
Groggan is a hamlet and townland near Randalstown in County Antrim, Northern Ireland. It is situated in the historic barony of Toome Upper and the civil parish of Drummaul and covers an area of 620 acres. It is within the Borough of Antrim. It had a population of 135 people (54 households) in the 2011 Census. (2001 Census: 123 people)
The population of the townland declined overall during the 19th century:
Year
1841
1851
1861
1871
1881
1891
Population
255
294
333
334
247
209
Houses
47
53
59
59
47
46