[5][6] Neumark's daughter Martha (1904–1981)[7] was a notable early figure in the history of women's ordination as rabbis.
[8][9] Prior to his move to the United States, Neumark served as the rabbi in Rakovník and received his doctorate from the University of Berlin.
[6] In 1919, Neumark served as the founding editor of a scholarly quarterly Journal of Jewish Lore and Philosophy.
[6] Neumark viewed that elements mythology and irrationalism were always present within Judaism, and considered that Kabbalah emerged in the twelfth and thirteenth century in response to the cultural and religious atmosphere created by Jewish rationalism.
[12][13] David Neumark married Dora Turnheim and had three children: Salomea, Martha, and Immanuel.