Anna MacKinnon graduated from Service High School and pursued studies in finance at the University of Alaska Anchorage and the University of Alaska Fairbanks. She spent a significant period managing institutional risk in high-finance before transitioning to the public sector. MacKinnon married John MacKinnon on September 20, 2014, and they have two children, Cory and Garret.

Anna MacKinnon's political identity is marked by an intriguing blend of fiscal conservatism and environmental advocacy, creating a unique ideological tension. Her legislative record shows an unexpected convergence with opposing factions on environmental regulations, revealing a highly calculated approach to protecting regional industrial interests. MacKinnon's rhetoric often emphasizes community resilience and economic sustainability, suggesting a deeply localized policy framework.