Marjorie was born in Independence, Missouri on August 16, 1940 to Marion Shull and Michael (Edward) Costigan.
She graduated from William Christman High School. Marjorie retired from Ford Motor Company after 30 years of employment. She enjoyed scrapbooking, traveling, and spending time with family and friends.
She is survived by her son, Michael S. Varney & his wife, Kayla; her grandson, Ashton Varney; her brother, Patrick Costigan & his wife, Anita; her sister, Denise Cooksey & her husband, Dwayne; and many nieces, nephews, and cousins.