Birth: 1786-1791 not in Surrey, UK
Father: Unknown
Mother: Unknown
Marriage: 4 September 1810 Ash, Surrey, UK
Husband: William Plaice 1786/91-a1841
Death: After 1841
Ann Plaice 1811/16-a1841
Edward Plaice 1815/21-a1841
Frances Plaice 1821/26-a1841
Elizabeth Plaice c1831-a1841
Mercy Plaice c1837-a1841
Marriage of An Croucher and Wm Plaice in the IGI on 4 September 1810 in Ash, Surrey. There is also an entry in the West Surrey Family History Society Surrey Marriage Index for the marriage of Ann Croucher and William Plaice on 4 September 1810 in Ash by banns and both of Frimley, Surrey.
In the 1841 census as Ann Plaice, not born in Surrey, aged 50 (rounded down to a multiple of 5), and living with her husband? (William), and five children? (Ann, Edward, Elizabeth, Francess and Mercy) in Guildford Road, Ash.
I cannot find any later information for any of the family.