the Associated Charities of Detroit, and, in 1909, they were "donors of major gifts to the Detroit YMCA, Detroit Rescue Mission, Michigan Audubon Society, Grace Reform Mission, Michigan Child Labor Association, Boy Scouts of America, Salvation Army, Society of St. Vincent dePaul, Crittenden House, Thompson Home for Homeless Ladies, Visiting Nurses Association, Protestant Orphan Asylum, and the Women's Board of Home Missions." Much of the McGregors' interest in these organizations was fueled by the plight of the large immigrant population that arrived in Detroit in the early twentieth century. The city was ill-equipped for the influx in terms of housing, city services, and health care. The McGregors established the benevolent McGregor Fund in 1925 to "relieve the misfortunes and promote the well being of mankind." Tracy was elected president and treasurer of the fund. The McGregors gave major gifts to the fund between 1929 and 1934, totaling about $6 million. Generous grants were (and still are) given to charitable organizations that fit within the interests of the McGregors, including homeless support agencies, education, and mental hygiene programs. McGregor was on the Committee of Management for the William L. Clements Library at the University of Michigan and worked closely with its curator of manuscripts Howard Henry Peckham. The year before Clements' death. McGregor donated $100,000 to the library and saved a rare collection of historical manuscripts from the Revolutionary War period from being sold and ultimately dispersed to the general private sector. Civic leader In addition to running the Mission for Homeless Men for 25 years, McGregor served on boards of trustees and chaired other organizations. In 1900, Michigan Governor Aaron T. Bliss appointed McGregor to the State Board of Corrections and Charities as the Wayne County agent. This experience introduced him to the problem many Detroiters faced when trying to buy a home or automobile—loans with reasonable interest rates were unavailable. In 1906, Tracy formed the Provident Loan and Savings Society, along with friends J. L. Hudson, James Ingles, and Dexter M. Ferry, Jr. Hudson was the first president and McGregor served as one of the directors for the rest of his life. The Provident Loan and Savings Society was able to provide loans at a 3 to 5 percent interest rate, which caused other lenders to lower their rates. In 1911, the Detroit Board of Commerce appointed Tracy to a state committee to investigate the Michigan State Prison in