William was born in 1833 in Bolton and his baptism took place on February 23rd, 1834 at St. Peter's (Bolton).1
Birth Notes
Name: William Rosthorn Baptism Date: 23 Feb 1834 Baptism Place: Bolton-le-Moors, St Peter, Lancashire, England Father: Thomas Rosthorn Mother: Rachel Rosthorn Reference Number: L243/1/3/11
Abode: Great Bolton. Widow (i.e. Thomas father deceased)
Burial: 15 Sep 1891 Heaton Cemetery, Bolton, Lancs. William Rawsthorne - Age: 58 yrs Occupation: Composition Manufacturer Died At: 135 Mayor St. Place of Burial: Div 1B Sec Y1 74 No of Grant: 3250 In Consecrated Ground: Church Parish Removed From: Great Bolton Buried by: J H Gibbon Register: Burials 1888 - 1892, Page 186, Entry 8650 Source: LDS Family Search
General Notes
Paul Kendal, who had William Rosthorn in his tree has a 12cM DNA match with Marjorie Mather Young (and Julie).
William was the son of Rachel Mather. Rachel married Thomas Rosthorn, but he died within a year of their marriage.
23 Feb 1834 William, son of Thomas (deceased) and Rachel Rosthorn of Great Bolton was baptised. "Widow" is shows as occupation.
In 1841, William Rosthorn (indexed William Rasthson), aged 8 was with Richard Mather (60) and his three sons at Dandy Row, Sharples.