b. 30 August 1905, d. 11 July 1969
| Birth | 30 August 1905 | Oliver Christ Grannemann was born on 30 August 1905 in Missouri. |
| Cen-Head
(Enumerated with) | 18 April 1910 | The 1910 US Census listed Oliver Christ Grannemann in addition to Carolina Gumper, Richard G. Grannemann, Milford H. Grannemann and Esther C. Grannemann in the household of Louis Grannemann, in Boeuf Township, Gasconade, Missouri. |
| Cen-Enum | 18 April 1910 | Oliver Christ Grannemann was enumerated as Oliver C. Grannemann. Single white male, age 4. Son of head of household. He was born in Missouri. His mother and father were born in Missouri. He has no occupation. |
| Cen-Head
(Enumerated with) | 7 January 1920 | The 1920 US Census listed Oliver Christ Grannemann in addition to Carolina Gumper, Richard G. Grannemann, Milford H. Grannemann, Esther C. Grannemann, Ralph L. Grannemann and Elda Marie Bopp in the household of Louis Grannemann, in Boeuf Township, Gasconade County, Missouri. |
| Cen-Enum | 7 January 1920 | Oliver Christ Grannemann was enumerated as Oliver C. Grannemann. Single white male, age 14. Son of head of household. He attended school since 9/1/1919. He can read and write. He was born in Missouri. His mother and father were born in Missouri. He can speak English. He has no occupation. |
| Cen-Head
(Enumerated with) | 16 April 1930 | The 1930 US Census listed Oliver Christ Grannemann in addition to Carolina Grannemann, Esther C. Grannemann and Ralph L. Grannemann in the household of Louis Grannemann, in Boeuf Township, Gasconade County, Missouri. |
| Cen-Enum | 16 April 1930 | Oliver Christ Grannemann was enumerated as Oliver C. Grannemann. Single white male, age 24. Son of head of household. He did not attend school. He can read and write. He was born in Missouri. His mother and father were born in Missouri. He can speak English. His occupation is farm laborer on a general farm. He is a worker. He did work on the last working day. He is not a veteran of the U.S. military. |
| Death | 11 July 1969 | He died on 11 July 1969 at age 63. |
| Burial | July 1969 | He was buried in July 1969 in St. James United Church of Christ Cemetery, Stony Hill, Franklin County, Missouri.  |