Hickey County Kilkenny Ireland

I am searching for Michael Hickey (1798) and Mary Doyle (1807) Their son Thomas (1846-49 - 1914) immigrated to New Zealand on ship Asia in 1874 with wife Ann children Catherine, Louis/James, and Patrick 2 more children born in Dunedin, Mary 1875 and Ann 1877 -1878 Wife Ann died 1878. I would like to find out what happened to this family and I would like to find Thomas siblings and more about Michael and Mary in Kilkenny, Ireland