Career
In the National Association he was a substitute infielder for the 1872 Brooklyn Eckfords He was the younger brother of Eckfords teammate Andy Allison. "Billy" Allison previously played for the Eckfords in the second of their four professional seasons, 1870. After his baseball career Bill Allison served one term as a Brooklyn city alderman, then was appointed an appraiser in the Custom House, a position which he held when he died of heart disease on January 25, 1887 in Brooklyn.
He is interred at Cypress Hills Cemetery, Brooklyn.