Amelia, daughter of James (tbc) and Jane Jackson.
28 Sep 1834, Amelia Jackson married James Unsworth a Carder at St Mary's, Deane. James died in 1837, aged 22.
In 1841, Amelia Unsworth (25) and her daughter Jane (6) and mother Jane were living at Olive Row, Little Bolton.
In 1851, Amelia Usnworth (36) and her daughter Jane (16) were living at 11 Olive Row, Little Bolton with Amelia's mother, Jane Jackson (75).
In 1871, Amelia Mather (56, Widow) was with Joseph Mather and his wife Mary A (51 & 50) at 30 Duke Street, Little Bolton.
Q2 1851, Amelia Mather married John Collier.
Dora Ann Collier born 1881 was the daughter of COLLIER+MATHER, but this is anther family and in 1891, Dora was with her mother Martha Collier (53).
In 1881, Amelia Collier (64, Aunt), was still married but not with John and was housekeeper at 15 Hulme Street, Little Bolton for William and Ellen Kay.
In 1893, there was the only Amelia Collier death in Bolton for a Amila aged 77. This is a good match to Amelia Collier.