Marie was born on September 13, 1906 to Henry Martin, III and Caroline (Weilnau) Rambow in Britton, Lenawee County, Michigan. On February 16, 1927, she married Claude Bernice Cowen in Britton.

They lived in LaCoste in Medina County, Texas and Marie died on August 31, 2018 in San Antonio, Texas. She is buried in Mission Burial Park in San Antonio and was 111 years old at the time of her death.
 

Her sister, Ruth (Rambow, Piotter) Bordt died in 2014 at the age of 104.

 
 
 
Henry (35) and Caroline (33) were living near Ridgeway in Lenawee County, Michigan with their children, Alvin (9), Marie (4) and Earl (2).
Henry (45) and Caroline (43) were living near Ridgeway in Lenawee County, Michigan with their children, Alvin (19), Marie (14), Earl (12), Ruth (10) and David (8).