| William Gray House | |
| Coordinates: | 40.0428°N -91.5019°W |
| Area: | less than one acre |
| Built: | c. |
| Architecture: | Greek Revival, I-house |
| Added: | June 3, 1999 |
| Refnum: | 99000666 |
| Mpsub: | La Grange, Missouri MPS |
The William Gray House (also known as the G. H. Simpson House) is a historic house located at 407 Washington Street in La Grange, Lewis County, Missouri.
It was built in about 1860, and is a two-story, three bay wide, side hall plan, brick I-house with Greek Revival style design elements. It has a long one-story brick rear ell and a one-story front porch that surrounds the main entrance.[1]
It was listed on the National Register of Historic Places on June 3, 1999.