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Founder Profile

William A. McGonagle

Last reviewed: September 2026 · By Swet Parvadiya

Who is William A. McGonagle?

William A. McGonagle is a founder of 3M Company, which was founded in 1902 with J. Danley Budd, John Dwan, Henry S. Bryan and Hermon W. Cable.

Company founded
3M Company
Founded
1902
Co-founders
J. Danley Budd, John Dwan, Henry S. Bryan and Hermon W. Cable

Background

William A. McGonagle was a railroad executive on the Duluth and Iron Range Railroad and one of 3M's five founders in 1902.

Founding Story

McGonagle and Henry S. Bryan were the railroad men of the founding group; the others were physician J. Danley Budd, attorney John Dwan and meat market owner Hermon W. Cable. The deposit they bought near Two Harbors turned out to be anorthosite rather than corundum, the mining plan failed, and in 1905 St. Paul investors Edgar Ober and Lucius P. Ordway took control of the company, which moved to Duluth and then, in 1910, to St. Paul to make sandpaper. (Exact birth year remains publicly undisclosed).

Sources

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.