Mary Frances Davidson (1902 – 29 May 1986) was an Irish Labour Party politician.
She was elected to Seanad Éireann on the Industrial and Commercial Panel at a by-election on 16 June 1950.
[1] She lost her seat at the 1951 Seanad election but was re-elected at the 1954 Seanad election and was re-elected at each subsequent election until she retired at the 1969 Seanad election.
She was appointed Labour Party General Secretary on the 28 June 1962.
[2] She was the first female General Secretary of any Irish political party.