[3] Roulston grew up in the Parish of East Maitland when her family moved there while she was in primary school.
She became involved in the parish's Sunday school and the Girls' Friendly Society from an early age.
[5] She trained for ministry at St John's College, Morpeth and was ordained as deacon in February 1995 and priest in November of the same year.
[5] As priest, Roulston served in a number of different parishes including Gosford, Singleton, Windale, Cessnock and Morpeth.
Roulston's role involves providing episcopal leadership in the Upper Hunter, Maitland and Paterson regions for the Diocese.