Macaulay, Charles Zachary (brother of Lord Macaulay), lecturer on medical jurisprudence St. George's Hospital 1838-41, private secretary to his brother when secretary at war 1839-41, Mauritius C. S. 1841-8, secretary to Board of Health 1850-4, and to Board of Audit 1854-66, commissioner of Audit 1866-7, member of council London Univ. 1868-72, a student of the Middle Temple 17 Jan., 1837, called to the bar 31 Jan., 1840 (4th son of Zachary Macaulay, of London, gent.); born 15 Oct., 1813; married 7 Oct., 1841, Mary, eldest dau. of late Richard Potter, Esq., M.P., Wigan, Southsea.