Looking for Dath of Dunedin and Campbell of Christchurch

TRYING TO FIND EMMA ELIZABETH DATH OR WALKER BORN 1907 LIVED AND SCHOOL AT WAIHUNA NZ MOTHER CATHERINE MARY DATH. TRYING TO FIND MAUD EMILY HAGEN OR CAMPBELL BORN AROUND 1916-20 IN CHRISTCHURCH MOTHER MAUD EMILY VIOLET CAMPBELL.