Alexander M. Millar was born November 4, 1835 in Berlin (now Kitchener), Ontario to Frederick Gourlay Millar and Isabella Henderson. He became a solicitor, was called to the Bar in 1863, and practised in Berlin. He was appointed Q.C. in 1889. During the course of his career, he served in many official roles, including as solicitor for the town of Berlin from 1869 to 1884 and as Mayor of Berlin in 1884-1885. He married Margaret Warren in 1865 and had three children. Alexander Millar died December 11, 1918.