Eliza Jane Miller was born in Glasgow on 31 January 1879. Her father, Alexander Miller, was a physician and surgeon. Eliza studied medicine at the University of Glasgow from 1898-1903 and was awarded fifteen prizes in total, including medals for Physics in 1899; Anatomy (Senior), Practical Physiology and Practical Pharmacy in 1901, and Practice of Medicine in 1903. She graduated with an MB ChB in July 1903, and after completing her terms as House Surgeon at the Glasgow Royal Samaritan Hospital for Women and Glasgow Royal Maternity Hospital, she joined the United Free Church Mission in 1906 as a medical missionary in Newchwang, Manchuria, China. In 1910 she resigned from the mission and married fellow missionary Reverend Alexander Ramsay Mackenzie (MA 1903). She then accompanied her husband on postings to Liaoyang, Machuria, China (1910-1912); Kai Yuan, Manchuria, China (1912-1913); Yungling, Manchuria (1914-1920) and Shenking, China (1920-1928). In 1928, they returned to Scotland for a year while Reverend Mackenzie wrote his survey Church and Missions in Manchuria. After her husband's death in 1929, Eliza returned to China as an evangelical missionary and took up postings in Shenking, China (1929-c1934) and Kai Yuan, Manchuria, China (c1934-1940). She retired in 1940, but her return to Scotland was delayed by the Second World War. Instead, she studied at the Canadian School of Missions, Toronto, Canada, from 1940-1943. Eliza died in Glasgow in 1977 .
From the guide to the Papers of Eliza Jane Mackenzie, née Miller, 1879-1977, medical graduate, University of Glasgow, Scotland, and medical missionary, Manchuria, China, 1901-1992, (Glasgow University Archive Services)