| William Henry Sinclair | |
| Birth Date: | October 31, 1838 |
| Birth Place: | Akron, Ohio |
| Death Date: | January 11, 1897 |
| Death Place: | Rochester, New York |
| Nationality: | American |
| Occupation: | Businessman; State Representative; Union Officer |
| Known For: | Founder of Beach Hotel Galveston, Texas |
Col. William H. Sinclair (October 31, 1838-January 11, 1897) was an American Union Army officer, Freedmen's Bureau official, businessman, state legislator, and union officer. Sinclair founded the Beach Hotel in Galveston in 1882, in an effort to increase tourism in the city. The project cost $260,000 USD[1] ($6,279,000 in 2018).
Sinclair was born in Akron, Ohio.
Sinclair was an avid baseball enthusiast, convincing stockholders to invest in a Texas League baseball franchise in Galveston.[2] He also served as president of the Galveston City Railroad Company.[3]
Sinclair's wife died in 1895, and in early 1897 Sinclair died in Rochester, NY at age of 58. On January 17, 1897 he was buried at Lakeview Cemetery in Galveston.[2]