Catherine Rehill

I'm looking to find Catherines parents if possible.
Catherine is my second great grandmother.

The Rehill name was carried on downwards i believe as a middle or first name on the female side of the family as Reaell, Raiel, Raiell and even Rae. When researching Ii have discovered many spellings for the Rehill name (eg Rahill, Riehl, Rials, Reil, Ryle, real etc)

She died August 15th 1895, New Zealand
Working backwards from her death record, she was born, in Ireland probably around 1831
She married, January 1st 1862 in Onehunga New Zealand
Wife of William Comfort Filmer 1830-1908 he died Onehunga, New Zealand
Children were:
Louisa Jane 1862
Mary Ann 1863
William Charles 1865
Alice 1867
Elizabeth (Eliza Lily)1868
John Andrew 1870
Catherine 1871
George 1873