Thomas M. Waller, born to Irish immigrants, began his career through humble beginnings, transitioning from newspaper selling to a formal education in Connecticut. Graduating from high school, he pursued a legal career, leveraging his oratory skills to recruit Union volunteers during the Civil War. Waller's political career included multiple terms in the Connecticut House of Representatives, culminating in his role as Speaker in 1876. He also served as Secretary of the State of Connecticut and Mayor of New London, before becoming Governor of Connecticut, where he championed civil rights legislation. Waller's diplomatic experience included a post as Consul-General in London, and he remained active in national politics, notably as a spokeswoman for the gold faction at the 1896 Democratic National Convention.

Thomas M. Waller's political identity is marked by an unexpected blend of progressive civil rights advocacy and staunch gold standard economics. His tenure as Governor of Connecticut saw him champion civil rights legislation, a move that significantly influenced the state's Democratic Party. Conversely, Waller's vocal support for the gold standard during the 1896 Democratic National Convention, where he opposed the bimetallism championed by William Jennings Bryan, reveals a calculated alignment with conservative economic policies. This juxtaposition of progressive social policies with traditional economic stances underscores a nuanced and ideologically agile approach to governance.