Born in 1857 to William Stevens Baker and Harriet Eliza Clapp Baker, Emma Louise Baker was the sister of Malcolm Clapp Baker. Emma makers her first appearance in official government documents in the year 1880. She is listed in the 1880 U.S. Census of Johnson Creek, Saline, Nebraska. She was twenty-three at the time, single, and living in the household of her brother, Frederick Stevens Baker.
Emma Louise Baker also appears in the 1911 Canadian Census for Missisquoi County in the subdistrict of Dunham. The document records her birth date as being February 1857. Emma self-reports her age as being approximately 54 years. Ms. Baker is identified as being single and her status in the household is that of "daughter". She died in 1944.