| Birth | 20 Apr 1873 | Thomas G. Parker was born on 20 Apr 1873. |
| Marriage | 1 Mar 1895 | He and Elma A. Current, daughter of James Knox Polk Current and Mary Jane Pascal, were married on 1 Mar 1895 in Jay County, Indiana. |
| Alternate Marriage date | 4 Apr 1895 | One source shows the marriage date to be 4 Apr 1895 in Jay County, Indiana. |
| 1900 Census | 8 Jun 1900 | Thomas appeared in the 1900 Federal Census of Richland Township, Dunkirk City, Jay County, Indiana, as Gordon Parker, with his wife, Elma. Their son, Kenneth, was listed as living with them, as well as his 19 year old brother, Clayton Parker. He is a married white male, age 27. Born April 1873. Married for 5 years. He was born in Indiana. His father was born in Ohio, his mother in Indiana. His occupation is tobacco dealer. He was not employed 0 months. He can read, write and speak English. He owns his home, free of mortgage, it is a house. |
| 1910 Census | 20 Apr 1910 | Thomas G. Parker appeared as head of household in the 1910 Federal Census of Richland Township, Dunkirk City, Jay County, Indiana, as Thomas A. Parker. Living with him was his wife, Elma, and their children, Kenneth. He is a married white male, age 36. Married 15 years. He was born in Indiana. His father was born in Ohio, his mother in Indiana. He can speak English. His occupation is keeper in a restaurant where he is an employer. He can read and write. He rents his home and it is a house. |
| 1920 Census | 9 Jan 1920 | Thomas G. Parker appeared as head of household in the 1920 Federal Census of Richland Township, Dunkirk City, Jay County, Indiana, as Thomas G. Parker. Living with him was his wife, Elma, and their children, Kenneth. He is a married white male, age 46. He owns his home, it is mortgaged. He did not attend school within the year. He can read and write. He was born in Indiana. His father was born in Ohio, his mother in Indiana. He can speak English. His occupation is salesman in his own business. |
| 1930 Census | 7 Apr 1930 | Thomas G. Parker appeared as head of household in the 1930 Federal Census of Richland Township, Dunkirk City, Jay County, Indiana, as Gordon Parker. Living with him was his wife, Elma. He is a married white male, age 56. He owns his home and it's valued at $1,000. He owns a radio set. The family does not live on a farm. He was 21 years old when first married. He did not attend school within the year. He can read and write. He was born in Indiana. His father was born in Ohio, his mother in Indiana. He can speak English. His occupation is proprietor in the grocery industry. He is an emploiyer. He was at work yesterday and is not a veteran of the U.S. military. |
| 1940 Census | 8 Apr 1940 | Thomas G. Parker appeared as head of household in the 1940 Federal Census of Richland Township, Dunkirk City, Jay County, Indiana, as Thomas G. Parker. Living with him was his wife, Elma. He is a married white male, age 66. He owns his home and it's valued at $1,000, it is not a farm. He did not attend school within the year and has completed the 8th grade. He was born in Indiana. He lived in the same house in 1935. He is employed for pay and worked 72 hours the week prior to the census. His occupation is grocery clerk in his own store and works on his own account. He worked 52 weeks in 1939 and earned $0 wages. He received income of $50 or more from other sources. |
| Death | 6 May 1951 | Thomas G. Parker died on 6 May 1951 at age 78. |
| Burial | after 6 May 1951 | He was buried after 6 May 1951 in Green Park Cemetery, located in Portland, Jay County, Indiana.  |
Thomas G. Parker