• Born: 11 Sep 1807, Danbury CT
• Marriage (1): Betsey Bishop
• Died: 8 Dec 1872, Bridgeport CT

  General notes:

Silversmith and watchmaker

  Events in his life were:

• Alternate Mark.

• Apprenticed: John Starr Blackman, about 1821, in Danbury CT. ¹

• Example: Watch paper, circa 1835, in Private Collection.

• He worked before 1837 as a silversmith and watchmaker in Danbury CT

• Partnership: John Blackman Sanford, circa 1838-1856, in Bridgeport CT.
  Sanford, a bookseller, induced his nephew to join him and, with Sanford's son George, establish a jewelry business in connection with his store as J. C. BLACKMAN & Co. While he had other dealings and business connections, this firm continued in business, in name at least, into the late 1850s.

• Alternate Mark.

• Partnership: Frederick Starr Blackman, about 1849-1858, in Bridgeport CT. As J. C. & F. S. BLACKMAN. The partnership is not listed in directories and the brothers maintained their seperate shops. ⁴

• He appeared on the census in 1850 in Bridgeport CT. Listed as a watch and jewelry merchant.

• Partnership: James P. Warner, circa 1856-1872, in Bridgeport CT. As BLACKMAN & WARNER. Warner had been the watchmaker for J. C. BLACKMAN & Co. When John Blackman Sanford died, his son George retired and this firm was formed, continuing in the old shop.

• He worked about 1859-1870 as a silversmith in Bridgeport CT as J. C. BLACKMAN & Co ⁴

• He appeared on the census in 1860 in Bridgeport CT. Listed as a merchant.

• Advertised: Bangor Daily Whig and Courier, on 18 May 1861, in Bangor ME. As part of a group endorsement of the Waltham Watch Company.

• He appeared on the census in 1870 in Bridgeport CT. Listed as a watchmaker and jeweler.

John married Betsey Bishop. (Betsey Bishop was born on 27 May 1810 in Danbury CT and died on 3 May 1905.)