McMenemy was born in the United States and lives with her mother, father, and three sisters in Northborough, Massachusetts, where she attended Algonquin Regional High School. Her mother, Luisa, is from the Dominican Republic and Dorian has dual citizenship with both countries. She was the only female swimmer on the Dominican team and was named the Dominican Female Athlete of the Year.[2]
^"Dorian Mcmenemy". London 2012. The London Organising Committee of the Olympic Games and Paralympic Games Limited. Archived from the original on May 20, 2013. Retrieved September 19, 2012.