Frederic William Macomber
Fall River, MA c. 1855-1880
Thomas McCollin
Philadelphia, PA 1824-1833 Watchmaker
W.M. & J.B. Mayo
Chicago, IL 1867-1874
Henry Beebe Marsh
Detroit, MI 1840-1853 and New Brunswick, NJ 1853-1880 Jeweler.
Maynard & Potter
Boston, MA c. 1850-1925
Matson & Loomis
Milwaukee, WI 1859-1864 One of many businesses owned by
Newell Matson, this one with L.L. Loomis as his partner.
Horace E. Matteson
Seville, OH c. 1863-1880 Fancy goods merchant.
William Wilson McGrew
Cincinnati, OH 1853-1875 Worked with his father Wilson
McGrew in the firm of Wilson McGrew & Son 1855-1859.
D. & G. McElwain
Boston, MA c. 1845 David and George McElwain, jewelers.
Marsh & Hoffman
Albany, NY c. 1850-1894 Benjamin Marsh and Frederick W.
Hoffman, jewelers and fancy goods merchants.
Simon M. Magnus
Albany, NY c. 1849-1853
John F. Mascher
Philadelphia, PA c. 1845-1850
John W. McDuffee
Lewiston, ME c. 1865-1875
Maurice & Henry
St. Louis, MO c. 1860 William H. Maurice and William D. Henry, jewelers.
James A. Main
Arcade, NY 1859-1861 and Warsaw, NY 1865-1900 Jeweler.
George H. Maynard
Boston, MA c. 1836-1875 Watchmaker and jeweler.
McAuliffe & Hadley
Boston, MA c. 1918
Macomber to McGrew
Macomber to McGrew
Charles S. Massey
Allentown, PA 1834-1881 Jeweler
Frederick W. Marmet
Cincinnati, OH c. 1860-1880 Jeweler.