Noted events in her life were:
• Census: (Mary Crouse) age 24, 1850, Marion, Owen, Indiana.
• Census: age 36, 1860, Cass, Guthrie, Iowa.
• Census: age 47, 1870, Cass, Guthrie, Iowa.
• Census: age 54, 1880, Cass, Guthrie, Iowa.
Mary married Winston Crouse, son of Martin (Kraus or Crows) Crouse and Susanah Wagoner, about 1848. (Winston Crouse was born on 8 Feb 1820 in , Randolph, North Carolina, died on 12 Feb 1898 in Linden, Dallas, Louisiana (or Lyon, , Iowa) and was buried in Panora, Guthrie, Louisiana.)