She settled in Didsbury after her marriage on 8 June 1882 to Robert Wood Williamson, where they lived until their relocation to The Copse, Brook, Surrey, in 1912.

[2][4] Explicit exceptions included birds killed for food and the ostrich, because the harvesting of its tail feathers was not painful.

She also continued to serve as secretary in various branches through most of the rest of her life, according to where she lived: in Didsbury (1891–1911), Brook, Surrey (1912–1931), and London (1931 – ca.

That year was the only one in which Williamson spoke at an annual meeting, reflecting on the growth of the organization from "when it was a very small fledgling, and had no dreams of soaring to the heights which it had reached".

[2] The historical work Mrs Pankhurst's Purple Feather[5] covers the personalities of those involved in the early days of the (R)SPB.

[6][7] A statue of Williamson is due to be unveiled near her former home in Didsbury's Fletcher Moss Botanical Garden.