Jessie Marguerite Williamson (née McAllan, c.1855–26 July 1937) was a notable New Zealand suffragist and welfare worker.

[1] Williamson married Hugh Bellis Williamson (1850–1926) on 11 December 1875 in Dublin, and a few years later they moved to New Zealand and settled down in Whanganui[2] They had four daughters: Lena, Ann, Mary, and Sheila.

In 1893 the club's primary goal was organising the process for gaining support for the vote for women, and to rally voters to get out and participate in the national elections.

Williamson also lobbied at the national level for women's right to equal pay.

"[5] On 26 July 1937, Jessie Williamson died in her home in Epsom, New Zealand, after a lifetime of advocating for women's rights throughout the nation.