Beaver Mellon (1926–2013), born James Ross Mellon II, was a member of the prominent Mellon banking family of Pittsburgh, Pennsylvania, descending from patriarch Thomas Mellon. As a cousin in the extended Mellon lineage, he was involved in the family's financial institutions, particularly through roles at Mellon Bank, where he contributed to the management and operations of the banking empire that played a pivotal role in American industry and finance during the 20th century. His career reflected the Mellon tradition of blending business acumen with civic responsibility, maintaining strong ties to Pittsburgh's elite social and economic circles. Throughout his life, Mellon was active in philanthropy, supporting initiatives in education, arts, and community development in Pittsburgh, and served on various boards and foundations associated with the family. Known for his low-profile yet influential presence, he navigated the intersections of family legacy, business, and public service until his death in 2013 at age 86. His personal life was rooted in Pittsburgh's establishment, with connections to other prominent families and institutions, exemplifying the discreet wealth and influence of old money while avoiding the public spotlight.