Humphry Collins and Johanna (Jone) Barnane married before available records and may have had children before ant available records.
 

In Tithe Applotment Books for Lissane (Lissawn) Lower we see Humphry and Michael Collins jointly hold 28 acres
 

Children baptised in Caheragh Church on dates on Baptismal Register:

John Collins, 18 May 1824.  Sponsors: Denis Coakley, May Donovan

May Collins, 2 Sep 1827.  Sponsors: James Barrett, May Donovan

Norry Collins, 13 Dec 1829.  Sponsors: John Casey, Mary Hearlihy

James Collins, 7 Aug 1833.  Sponsors: John Casey, Mary Barrett

Johanna Collins, 7 Dec 1835.  Sponsors: Timothy Donovan, Mary Donovan

Pat Collins, 14 Mar 1839.  Sponsors: James Barrett, Ellen Barrett

In Griffith's Valuation of Ireland for Lissane Lower to read
   Humphrey Collins occupies Plot 7 totalling over 60 acres
   Michael Collins occupies Plot 8 totalling over 67 acres
   both with others share bog in Plot 5 containing 35 acres.

Death:
Humphry Collins died at Lissane on 17 April 1873.  From his death record he was a widower, aged 88 years, a farmer.  Present at his death and the Informant of it to the Civil Registrar was Humphry Collins of Lissane.