| Birth | 1844 | Mary Jane Lake was born in 1844 in Indiana. |
1850 Census
(with Parents)
| 15 Oct 1850 | Mary appeared in the 1850 Federal Census of Stoney Creek Township, Henry County, Indiana, as Mary J. Lake, in the household of her parents, Rachel and Ila Thornburg Lake. She is a female, age 8. She was born in Indiana. She attended school within the year. |
1860 Census
(with Parents)
| 8 Jun 1860 | Mary appeared in the 1860 Federal Census of Stoney Creek, Henry County, Indiana, as Mary Lake, in the household of her parents, Rachel and Ila Thornburg Lake. She is a white female, age 15. She was born in Indiana. She attended school in the census year. |
| Marriage | 31 Dec 1867 | Mary Jane Lake and Thomas Jefferson Helm, son of Jacob Helm and Elizabeth Slick, were married on 31 Dec 1867 in Redkey, Jay County, Indiana. |
1880 Census
(Spouse of Head)
| 14 Jun 1880 | Mary appeared in the 1880 Federal Census of Farmland, Randolph County, Indiana, as Mary J. Helm, with her husband, Thomas Jefferson Helm. Their son, Mildred, was listed as living with them. She is a married white female, age 36. Wife of head of household. Her occupation is keeping house. She was born in Indiana. Her mother and father were born in Virginia. |
| Residence | 1903 | In 1903 Mary Jane Lake lived in Columbus, Franklin County, Ohio; with her daughter. |
1910 Census
| 1910 | Mary appeared in the 1910 Federal Census of Columbus City, Franklin County, Ohio, in the household of Mildred and Joseph Coolidge Kilbourne. |
1920 Census
| 1920 | Mary appeared in the 1920 Federal Census of Columbus City, Franklin County, Ohio, in the household of Mildred and Joseph Coolidge Kilbourne. |
| Death | 1923 | Mary Jane Lake died in 1923 in Indiana. |
| Burial | 1923 | She was buried in 1923 in Hillcrest Cemetery, located in Redkey, Jay County, Indiana. |
Mary Jane Lake