William Wallace Ashley was born on March 9, 1842, in Crawford County, Ohio, to Ebenezer and Mary Ashley. His father died in 1843, and his mother remarried the following year. His stepfather died in 1850. He grew up and attended school in Auburn, Ohio.
He enlisted in the Union army on August 28, 1862, and he mustered in as a private in Company D of the 32nd Ohio Infantry. The regiment took part in the siege of Vicksburg, the Atlanta campaign, the March to the Sea, and the Carolinas campaign. He eventually earned a promotion to corporal, and he mustered out on July 20, 1865.
He settled in Shelby, Ohio, after the war, and he married Fulvia Conaway around 1867. Their daughter Elida was born around 1873. He worked as a farmer, and by 1870, he owned $1,000 of real estate and $300 of personal property. He returned to Auburn in the 1870s. He applied for a federal pension in August 1884 and eventually received one. He moved to Findlay, Ohio, in the 1890s, and by 1920, he was living in his daughter’s household in Toledo, Ohio. He died of influenza in Toledo on January 30, 1929.