In a 1870 Commercial Directory for Tipperary there is a Michael Gunn, Green , Fethard a blacksmith.
Without knowing the parish it is impossible to trace family connections. A good way to do this is compare the surnames you have given to find them in one Parish or a Parish next to them. There are few way to do this in Ireland due to few census. 1901/1911 are on www.nationalarchives.ie
Griffith Valuations 1848 North Tipperary:
Mary Gunn, Parish of Kilmastulla, Townland of Ballinteenoe tenant of Esq. James O'Sllivan #17 house and land 6 acres
0 roods and 26 perches
in the same Parish & Townland
#35 Michael Kelly house and land 12.1.13
Michael Gunn, Parish of Kilvemnon Townland of Kilvemnon tenant of Rev. Homan (Home?)Philip propery #22 house and land 10.2.28
There are 7 Costello's in the Parish of Kilvemnon, although not the same townland but they could meet at the parish church. There are also 3 Kelly's in this parish. No Patrick, however, there are 31 Patrick Kelly's in Tipp.S.
There are 17 Carroll's in the Parish of Kilvemnon as well.
There are also a Thomas Carroll in the Parish of Drangan;
Patrick Gunn, house, yard and small garden and a Forge #8 with #12 John Carroll #34 Michael Carroll
Parish of Lismalin, Townland of Lismalin
tenants of Matt Hammerton, Esq.
#1 John Gunn land 13.3.5
#11 John Kelly house, outbuilding land 12.3.33
#12c John Costello, tenant of Michael Byrne
Parish of Mowney, Townland Shangarry
tenant of Ambrose Going
tenant of Water Britt
5a Michael Kelly, house
20a John Gunn, house, outbuilding and garden 1.0.20www.askaboutireland.ie
(land descriptions as above) and www.failteromhat.com
(1824 & 1846 Commercial Directories)www.familysearch.org
has birth, marriage and death records from 1864 - Civil Registration all RC prior to this were
in Parish records
The death records do show people born as early as later 1700's based on age given at death.
Civil Registration District were based on Poor Law Union, and should be present in the Civil Registrations.
This website also has early US census and some passenger records, especially late ones. They may have just made the 1881 Census.
1880 New York, New York
Patrick Gunn 23, born Ireland (1857) Porter
Ellen 21, born Ireland
don't miss bottom corner left for the listings.
Passenger Patrick Gunn, Mullinahone, Irelandwww.Ellisisland.org
(records start 1892)
23 single landed 03 Oct 1913,
There is a Foundation of county genealogy office that are online, a not-for-profit but do charge a fee.
Patrick Gunn birth: 3 1803, 1868, 1889 none with father
Patrick Joseph Gunn born 1876 Co.Roscommon, fa: Michael
Patrick Joseph Gunn born 1887 Co. Cavan fa: Michael
Patrick Mcllgunn born 1884 Co. Fermanaghwww.censusfinder.com