Marcus Lawrence Ward was born into a prominent family in Newark, New Jersey, with a background in business and manufacturing. He attended local schools and became a partner in his family's soap and candle business, later expanding his involvement to include the National State Bank and Lawrence Cement and Manufacturing Company. Ward transitioned into civic leadership and philanthropy, serving as chairman of the New Jersey Historical Society and founding the Newark Library Association and the New Jersey Art Union. During the Civil War, he actively supported the Union cause, managing a financial system for soldiers and investing in hospitals and homes for veterans. Ward's political career included a term in Congress, where he represented Essex County from 1873 to 1875.

Marcus Lawrence Ward's political identity is marked by a blend of business acumen and civic responsibility. He skillfully navigated economic interests while advocating for the Union during the Civil War, revealing a calculated approach to regional stability. Ward's unexpected support for veterans' benefits, juxtaposed with his business ventures, highlights a nuanced understanding of public service. His abolitionist roots and later Republican affiliation illustrate a commitment to evolving social causes, suggesting an ideologically agile stance.