His sons established Molson's Bank, which printed its own currency, and in the city of Montreal, which was overwhelmingly Catholic, they financed the construction of a Protestant church.
The three Molson family mausoleums, built by Irish-born architect George Browne, are among Mount Royal Cemetery's most prestigious funerary monuments.
[3] Hartland Molson, a businessman and statesman, expanded the family's brewing operations nationwide, co-purchased the Canadian Arena, which included the Montreal Forum and the Montreal Canadiens ice hockey club (1957–1964), and co-sponsored Hockey Night in Canada with his brother, Thomas Henry Pentland Molson.
The Thomas Henry Pentland Molson Family Scholarship is awarded annually by the Lester B. Pearson United World College of the Pacific.
Later generations of the Molson family provided funds to expand the university's medical buildings, as well as a gift of land for the Redpath Library.