| Name Variation | | Frank Otto Bunkers was also known as Otto Frank Bunkers. |
| Birth | 11 Mar 1890 | He was born on 11 Mar 1890 in Granville, Sioux County, Iowa. |
1900 Census
(with Parents)
| 4 Jun 1900 | Frank appeared in the 1900 Federal Census of East Orange, Sioux County, Iowa, as Otto F. Bunker, in the household of his parents, Barbara and Henry Bunkers. He is a single white male. He is a son of the head of household. Born March 1890, age 10. He and his father were born in Iowa, his mother was born in Germany. His occupation is at school. He attended school 10 months. He can read, write and speak English. |
1910 Census
(with Parents)
| 20 Apr 1910 | Frank appeared in the 1910 Federal Census of East Orange, Sioux County, Iowa, as Otto Bunkers, in the household of his parents, Barbara and Henry Bunkers. He is a single white male, age 20. Son of head of household. He was born in Iowa. His father was born in Iowa, his mother in Luxemburg. He speaks English. He is a laborer on a general farm. He is a worker. He was not out of work on Apr. 15. He was unemployed 0 weeks in 1909. He can read and write. He did not attend school. |
| Draft Registration | 5 Jun 1917 | Frank Otto Bunkers registered for the military on 5 Jun 1917 in Granville, Sioux County, Iowa.  |
| Marriage | 1 Oct 1918 | He and Elizabeth A. Niichel, daughter of Peter Niichel and Helena Roth, were married on 1 Oct 1918 in Ashton, Osceola County, Iowa. |
| 1920 Census | 14 Jan 1920 | Frank Otto Bunkers appeared as head of household in the 1920 Federal Census of East Orange, Sioux County, Iowa, as Otto F. Bunkers. Living with him was his wife, Elizabeth. He is a married white male, age 29. He rents his home. He can read, write, and speak English. He was born in Iowa. His father was born in Iowa, his mother in Luxemburg. Her mother tongue is German. He is a general farmer. His farm is #65 on the farm schedule. |
| Death | 29 Jan 1925 | Frank Otto Bunkers died on 29 Jan 1925 in Granville, Sioux County, Iowa, at age 34. While butchering a hog, his knife slipped, severing a major artery in his thigh and he bled to death. |
| Burial | 2 Feb 1925 | He was buried on 2 Feb 1925, age 34, in Saint Joseph's Cemetery, located in East Orange, Sioux County, Iowa. |
Frank Otto Bunkers