D'Avigdor-Goldsmid was born to Jewish parents Elim Henry d'Avigdor Goldsmid.
[1][2] He was educated at Harrow School and Trinity Hall, Cambridge.
[1] He served as High Sheriff of Kent in 1912, Chairman of the Jewish Colonisation Association (1919), President of the Anglo-Jewish Association (1921–26), President of the British Board of Deputies of British Jews (1926–33), and Treasurer of the Jewish Memorial Council.
[5][6] He was created a Baronet of Somerhill in the County of Kent on 22 January 1934.
[7] In 1907 D'Avigdor-Goldsmid married Alice Landau, Russian banker Yakov Polyakov's granddaughter.