William Armstrong was the son of John Armstrong and Hannah Chew.

William was born around 1855 in Manchester, Lancashire.

William married Mary Webb in 1878 in the Chorlton Registration District (Sep Quarter).

He had the following children from his marriage to Mary Webb:

- Roy Webb Armstrong	born in 1880 at Harpurhey, Manchester, Lancashire.
- Colin William Armstrong	born around 1888 at Manchester, Lancashire.

William was a Surgeon G.P. M.R.C.S..

Details of William's death are not known.

Census Data:

Year	Address
1861	West Beach, Lytham, Lancashire.
1871	Park House, Rochdale Road, Manchester, Lancashire.
1881	763 Rochdale Road, Manchester, Lancashire.
1891	771 Rochdale Road, Manchester, Lancashire.
1901	Hawthorn, Burlington Road, Buxton, Derbyshire.
1911	Barton House, 11 Manchester Road, Buxton, Derbyshire.