| Birth | 7 Jul 1844 | John Alexander Dunken was born on 7 Jul 1844 in North Carolina. |
| Marriage | 23 Feb 1865 | He and Martha Ann Daily, daughter of John Daily and Falby Clary, were married on 23 Feb 1865 in Smith County, Texas. |
| 1870 Census | 13 Aug 1870 | John appeared in the 1870 Federal Census of Prencinct #4, Henderson County, Texas, as John A. Dunkin, with his wife, Martha. Their daughter, Phalby, was listed as living with them, as well as Andrew Sinder, a 17 year old farm laborer. He is a 25 year old white male. His occupation is farmer. His real estate is valued at $300, his personal estate at $438. He was born in North Carolina. He is a male citizen of the U.S. 21 years of age and up. |
| 1880 Census | Jun 1880 | John Alexander Dunken appeared as head of household in the 1880 Federal Census of Henderson County, Texas, as John Dernkem. Living with him was his wife, Martha, and their children, Mary and Henryetta. He is a 35 year old white male. His occupation is farmer. He can read and write. He was born in North Carolina. His mother and father were born in Tennessee. |
| 1900 Census | 12 Jun 1900 | John Alexander Dunken appeared as head of household in the 1900 Federal Census of Justice Precinct #4, Henderson County, Texas, as John A. Dunken. Living with him was his wife, Martha, and their children, Mary, Oma, Oscar and Johnnie. He is a married white male, age 55. Born July 1844. Married 35 years. He was born in North Carolina. His mother and father were born in Tennessee. His occupation is merchant grocer. He was unemployed 0 months. he can read, write and speak English. He owns his home, free of mortgage. It is a house. |
1910 Census
| 1910 | John appeared in the 1910 Federal Census of Precinct #1, Ellis County, Texas, as John Duncan, in the household of Johnnie and Robert E. Satterfield Jr., with his wife, Martha. He is a married white male, age 65. Father-in-law of head of household. Married 45 years. He was born in North Carolina. His mother and father were born in Tennessee. He can speak English. His occupation is farmer. He can read and write. |
| Death | 7 Jul 1918 | John Alexander Dunken died on 7 Jul 1918 in Henderson County, Texas, at age 74. |
| Burial | after 7 Jul 1918 | He was buried after 7 Jul 1918 in Old Athens Cemetery, located in Athens, Henderson County, Texas. |
John Alexander Dunken