John Pool was born in Pasquotank County, North Carolina, and graduated from the University of North Carolina before being admitted to the bar. He served in the North Carolina Senate and later ran for governor as part of the "Opposition Party." Pool engaged in pro-Union activities during the Civil War and was involved with fraternal organizations focused on workers' welfare. He was elected to the U.S. Senate by the legislature, where he served until completing his term. After his time in the Senate, Pool practiced law in Washington, D.C.

John Pool's political identity is marked by a blend of post-war reintegration and moderate civil rights advocacy, underpinned by a commitment to legal frameworks. His involvement with the Loyal Order of the Heroes of America reveals an unexpected focus on environmental safety and workers' welfare, juxtaposing his economic policies aimed at rebuilding infrastructure. Pool's engagement in pro-Union activities and membership in E Clampus Vitus adds layers to his ideological positioning, suggesting a nuanced approach to regional and national unity. His legislative record shows a strategic alignment with opposing factions on environmental regulations, hinting at a highly localized and calculated approach to policymaking.