http://www.leitrim-roscommon.com/1901census/census.shtml
In the 1901 Ireland County Mayo census, Andrew Gill age 70 is living in Dalteen with his wife Anne (60) and their son Andrew (25) and a granddaughter Mary (11). Andrew is married but his wife is not listed. Dalteen is in the parish of Kilcolman in the barony of Clanmorris.
http://www.leitrim-roscommon.com/1901census/census.shtml
In the 1901 Ireland County Mayo census, John Gill age 35 is living in Drumneen South with his wife Maggie (30) and their children John (13), Andrew (8), Annie (5), Delia (3), and Mary (1). Also living with them is Maggie's mother Margaret Jennings, 70 years old and widowed. John is a farmer. Drumneen South is in the parish of Kilcolman in the barony of Clanmorris
http://www.leitrim-roscommon.com/1901census/census.shtml
In the 1901 Ireland County Mayo census, Thomas Gill age 50 is living in Lisduff with his wife Mary (50) and their children Edward (25) and Anne (22). Thomas is a farmer. Lisduffis in the parish of Kilcolman in the barony of Clanmorris.
http://www.leitrim-roscommon.com/1901census/census.shtml
In the 1901 Ireland County Mayo census, Michael Gill age 53 is living in Lugatemple with his wife Honor (50) and their children Bridget (23), John (19), and James (16). Michael is a labourer. Lugatemple in the parish of Kilcolman in the barony of Clanmorris.
http://www.leitrim-roscommon.com/1901census/census.shtml
In the 1901 Ireland County Mayo census, Martin Gill age 40 is living in Murneen North with his wife Maria Flynn (34) and their children John (13), Annie (8), James (7), Delia (4), and Andrew (1). Martin is a farmer. Murneen North in the parish of Kilcolman in the barony of Clanmorris.
Possibly Martin Gill born October 1860 except James' birthday is off. That family was also from Murneen North.
http://www.leitrim-roscommon.com/1901census/census.shtml
In the 1901 Ireland County Mayo census, John Gill age 40 is living in Tawnaghlahard with his wife Mary (39) and their children Michael (7) and Martin (5). John is a farmer. Tawnaghlahard is in the parish of Kilcolman in the barony of Clanmorris.John's father is assumed to be MIchael based on their living in the same townland as well as his first child being named Michael.
http://www.leitrim-roscommon.com/1901census/census.shtml
In the 1901 Ireland County Mayo census, Michael Gill age 70 is living in Tawnaghlahard with his wife Bridget (65) and their children Mary (27) and Thomas (2). Michael is a farmer. Tawnaghlahard is in the parish of Kilcolman in the barony of Clanmorris.
http://www.leitrim-roscommon.com/1901census/census.shtml
In the 1901 Ireland County Mayo census, Patrick Gill age 36 is living in Shanvaghera with his wife Bridget (40) and their children Mary (5) and Patrick (4). Also living with them are Bridget's mother Catherine Quinn (60) and her daughter Catherine (28). Patrick is a farmer. Shanvaghera is in the parish of Knock in the barony of Costello.