Basic Details Surname McCowan Forenames William Gender Male Information stated on memorial War American Civil War (1861-1865) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) Massachusetts Infantry Sub-unit (Primary - Stated) 55th Rank / Title (Primary - Stated) C in C Death and Burial details Country of death United States Town of death Camp Readville Year of death 1864 Month of death April Day of death 1 Age at death 47 Manner of death as stated Died