Goldsmid was strenuous on behalf of the Jewish religion, and the founder of the great Jews Free School. He was a munificent contributor to charities and especially to the endowment of University College London. He married Louisa Goldsmid who was his cousin. His wife was a campaigner for women's education.Geoffrey Alderman, 'Goldsmid, Louisa Sophia, Lady Goldsmid (1819–1908)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 accessed 10 Sept 2015 He employed the author and translator Frederica Maclean Rowan as his secretary for some years.F. T. Marzials, 'Rowan, Frederica Maclean (1814–1882)’, rev. Susanne Stark, Oxford Dictionary of National Biography, Oxford University Press, 2004 accessed 15 Nov 2015
