Marian was born in Trona, California, to Richard and Anne Mace.

She was raised in Poulsbo before moving to Alaska in the mid 1980s. She lived in many various areas in the country before returning to Poulsbo to help care for her parents.

Marian was preceded in death by her mother and father.

She is survived by her husband Chuck Sizemore; stepson Tyler (Cynthia) Sizemore; siblings Katherine Mace, Jonathan (Diana) Mace, Alan (Carie) Mace, Elizabeth Monroy and Tim (Sheri) Mace; many nephews and nieces. At this time no services are scheduled.