Major Isaac Newton Walker | |
|---|---|
 | |
| Member of the Illinois House of Representatives | |
| In office 1838–1840 | |
| Preceded by | Samuel Hackleton |
| Succeeded by | Lewis Winans Ross |
| Personal details | |
| Born | December 18, 1803 Charlottesville, Virginia, US |
| Died | September 14, 1899 (aged 95) Lewistown, Illinois, US |
| Resting place | Oak Hill Cemetery Lewistown, Illinois |
| Political party | Whig |
| Spouse | Ann Eliza Simms (married 1834-1899) |
| Children | 4 |
| Residence(s) | Lewistown, Illinois |
| Occupation | Farmer, merchant |
Isaac Newton Walker (December 18, 1803 – September 14, 1899) was a pioneer farmer and merchant in Illinois, designer of the third Fulton County courthouse, member of the Illinois House of Representatives, and a close personal friend of Abraham Lincoln.