Hi Karen
Here's a May 1875 birth record from rootsireland.ie/:
Name:Joseph MoonyDate of Birth:20-May-1875
Registration Date:
Address:RosenallisParish/District:MountmellickGender:MaleCountyCo. Laois
Denomination:
Father:John MoonyMother:Mary ConnorOccupation:Labourer
Siblings:
Name:James MooneyDate of Birth:21-Nov-1858
Date of Baptism:Not RecordedAddress:RosenallisParish/District:RosenallisGender:
CountyCo. Laois
Denomination:
Father:John MooneyMother:Mary Connor
Name:Edward MooneyDate of Birth:25-Nov-1860
Date of Baptism:Not RecordedAddress:RosenallisParish/District:RosenallisGender:
CountyCo. Laois
Denomination:
Father:John MooneyMother:Mary Connor
Name:Patrick MooneyDate of Birth:22-Feb-1863
Date of Baptism:Not RecordedAddress:RosenallisParish/District:RosenallisGender:
CountyCo. Laois
Denomination:
Father:John MooneyMother:Mary ConnorOccupation:No_record
Sponsor 1 /
Informant 1:Thomas Connor Sponsor 2 /
Informant 2:Eliza Malone
Name:Michael MooneyDate of Birth:03-Aug-1865
Registration Date:
Address:RosenallisParish/District:MountmellickGender:MaleCountyCo. Laois
Denomination:
Father:John MooneyMother:Mary ConnorOccupation:Labourer
Name:Thomas MooneyDate of Birth:25-Mar-1868
Registration Date:
Address:RosenallisParish/District:MountmellickGender:MaleCountyCo. Laois
Denomination:
Father:John MooneyMother:Mary ConnorOccupation:Labourer
Name:Elizabeth MooneyDate of Birth:20-Oct-1872
Date of Baptism:Not RecordedAddress:RosenallisParish/District:RosenallisGender:
CountyCo. Laois
Denomination:
Father:John MooneyMother:Mary ConnorOccupation:No_record
Sponsor 1 /
Informant 1:Francis O'Connor Sponsor 2 /
Informant 2:Anne Gorman
Name:Ellen MooneyDate of Birth:15-Oct-1872
Registration Date:
Address:RosenallisParish/District:MountmellickGender:FemaleCountyCo. Laois
Denomination:
Father:John MooneyMother:Mary ConnorOccupation:Labourer
Name:Francis MooneyDate of Birth:26-Sep-1877
Registration Date:
Address:RosenallisParish/District:MountmellickGender:MaleCountyCo. Laois
Denomination:
Father:John MooneyMother:Mary ConnorOccupation:Labourer
Name:Sarah MooneyDate of Birth:01-Feb-1880
Date of Baptism:27-Jan-1880Address:RosenallisParish/District:RosenallisGender:
CountyCo. Laois
Denomination:
Father:John MooneyMother:Mary ConnorOccupation:No_record
Sponsor 1 /
Informant 1:Richard Dowling Sponsor 2 /
Informant 2:Mary B. O'Connor
Couldn't find parents' marriage.
Griffiths Valuation (free at www.askaboutireland.ie/) has 8 Mooneys in Rosenallis including 4 Johns 1 in Corbally, 1 in Meelick & 2 in Cappalane
No luck in the 1841 or 51 Census
Col