Amasa Mason Lyman (March 30, 1813 – February 4, 1877) was a prominent figure in the Latter Day Saint movement, serving as an apostle and counselor in the First Presidency to Joseph Smith. Born in Lyman, New Hampshire, he joined the Church of Christ in 1832 after meeting two Latter Day Saint missionaries. Lyman's dedication to the faith led him to embark on missionary service, preaching across the eastern United States. He played significant roles within the church, being called to the First Quorum of the Seventy and appointed as an apostle by Joseph Smith. Lyman also embraced the practice of plural marriage, marrying multiple wives and raising a large family. Throughout his life, he undertook various missions for the church, traveling to different states and participating in significant events such as the Battle of Crooked River. Following the death of Joseph Smith, Lyman became a devoted follower of Brigham Young, further contributing to the expansion and development of the Latter Day Saint movement.Overall, Amasa Mason Lyman's unwavering commitment to the Latter Day Saint movement and his extensive missionary work, leadership roles, and support for plural marriage solidified his legacy within the church.

Amasa Walker (May 4, 1799 – October 29, 1875) was an influential American economist, United States Representative, and a prominent figure in the anti-slavery movement. He was an advocate for temperance and a key member of the Free Soil Party. Walker made significant contributions to academia, lecturing on political economy at esteemed institutions such as Oberlin College, Harvard, and Amherst College. His noteworthy work, "The Science of Wealth: A Manual of Political Economy," published in 1866, remains a seminal text in the field. Walker's comprehensive understanding of financial matters led to his frequent contributions to periodical literature, particularly on financial subjects.In addition to his academic and literary pursuits, Walker held various political positions, serving in the Massachusetts House of Representatives, the Massachusetts State Senate, and as Massachusetts Secretary of the Commonwealth. He was also elected to the United States House of Representatives and was an active delegate in international peace congresses.Amasa Walker's multifaceted contributions to economics, politics, and social reform have left a lasting impact on American society and continue to be studied and celebrated to this day.

Amasa Converse (1795–1872) was an American Presbyterian minister and senior editor of the Christian Observer. He gained prominence for performing the marriage of Edgar Allan Poe to his teenage cousin, Virginia Clemm Poe. Born in Lyme, New Hampshire, Converse attended Phillips Academy, Dartmouth College, and later entered Princeton Theological Seminary. In 1827, he became the editor of the Richmond Visitor and Telegraph before taking over the Philadelphia Observer in 1838, which later merged to become the Christian Observer. Converse's Southern sympathies during the Civil War led to his arrest by President Abraham Lincoln's administration, although he was subsequently freed after three months. He passed away in Louisville on December 9, 1872. Converse's legacy lived on through his son F. Bartlett Converse, who succeeded him as the editor of the Christian Observer. His life and contributions have been extensively discussed and analyzed in various publications, such as the Journal of Presbyterian History. Amasa Converse's impact on religious and editorial spheres, as well as his involvement in the Civil War, remains a subject of historical interest.

Amasa Cobb (September 27, 1823 – July 5, 1905) was a prominent American politician, judge, and military leader, known for his significant contributions during the American Civil War and his influential roles in Wisconsin and Nebraska. Cobb's political career included serving as a United States Congressman from Wisconsin, as well as being the 13th Speaker of the Wisconsin State Assembly. His military service saw him as a Union Army officer, where he notably commanded a brigade in the Battle of Antietam and later served as Colonel of the 43rd Wisconsin Infantry Regiment.After the war, Cobb transitioned to a distinguished legal and judicial career in Nebraska. He was appointed as the 5th Mayor of Lincoln, Nebraska, and served as a Chief Justice of the Nebraska Supreme Court for a considerable period. His contributions were not limited to his professional endeavors, as he was also honored with the grade of brevet brigadier general of volunteers for his distinguished services during the Civil War.Amasa Cobb's legacy continues to be remembered and respected, with his significant impact on American history and his enduring influence on the legal and political landscape of both Wisconsin and Nebraska. After his passing in 1905, he was laid to rest in Wyuka Cemetery, Lincoln, Nebraska, leaving behind a lasting imprint on the nation's history.

Amasa Learned (1750–1825) was an American preacher, lawyer, and politician from New London, Connecticut. He graduated from Yale College in 1772 and taught at the Union School in New London. After studying theology and receiving a license, he briefly preached before entering politics. Learned served in the Connecticut House of Representatives and was a member of the convention that ratified the U.S. Constitution in 1788. He was elected to the U.S. House of Representatives from 1791 to 1795 and engaged in land speculations during his tenure. After his congressional service, he was a delegate to the state constitutional convention in 1818. Learned died in 1825 in New London. He was married to Grace Hallam and had four children. His grandson, John Law, later served as a U.S. Representative from Indiana. Amasa Learned made significant contributions to American politics and law, leaving a lasting legacy in his community and beyond.