Alden Lorenzo Morrill and Grace Heimendinger

1. South Dakota Births, 1856-1903 (Electronic database at http://www.ancestry.com/).
2. Annie Morrill Smith, Morrill Kindred in America, Volume 2 (New York: Grafton Press, 1931), 348.
3. Dale Lyndon Morrill (1918-1951) – Find a Grave Memorial, online at https://www.findagrave.com/memorial/101308606/dale-lyndon-morrill (accessed 2026-10-05), Memorial 101308606, Graceland Cemetery, Block 29 Lot 13 Grave 6. Dale Lyndon Morrill. BIRTH 26 Dec 1918 Madison, Lake County, South Dakota. DEATH 5 Dec 1951 (aged 32) Davison County, South Dakota. BURIAL Graceland Cemetery, Madison, Lake County, South Dakota. PLOT Block 29 Lot 13 Grave 6. See also Find a Grave Index – Dale Lyndon Morrill, Graceland Cemetery, Madison, online at https://www.familysearch.org/ark:/61903/1:1:QVLB-LZ57 (accessed 2026-10-05), Index entry for Dale Lyndon Morrill. Name Dale Lyndon Morrill. Birth Date 26 December 1918. Death Date 5 December 1951. Event Type Burial. Event Place Graceland Cemetery, Madison, Lake, South Dakota.
5. United States, Census, 1950 – Dale Morrill, Nunda Township, Lake, South Dakota, online at https://www.familysearch.org/ark:/61903/1:1:6F9N-G1FM (accessed 2026-10-05), ED 40-19, page 8, line 15. Dale Morrill, Male, Age 31 years, Birthplace S.d., Marital Status Single, Occupation Farmer, Relationship to Head of Household Son. Event Date 10 April 1950, Nunda Township, Lake, South Dakota. Alden Morrill, Father, 60; Grace Morrill, Mother, 57; Lee Morrill, Brother, 22.