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Andrew JamesonPC (Ire)DL (17 August 1855 – 15 February 1941) was a Scottish-born Irish public servant, politician and businessman. He was chairman of the Jameson whiskey business and the Irish lighthouse authority, and a member of both the Senate of Southern Ireland and then Seanad Éireann until 1936.
Jameson was a member of the short-lived Senate of Southern Ireland, and then from 1922 to 1936 served as a Senator of the Irish Free State. As a member of the Memorial Committee set up to establish the Irish National War Memorial Gardens, in December 1930 he advised W. T. Cosgrave, President of the Executive Council of the Irish Free State, who was very interested in bringing the memorial to fruition, on the suitability of the site running along the south bank of the River Liffey; this site was eventually decided upon by Cosgrave and agreed by the committee.