1889 invoice from American Confectionery Company of No. 98 Canal Street, Boston, opposite Boston & Maine Depot, to T. Wyman & Son of Sebec, Maine.
Researching online, I found the following information: [Note: please scroll down to the comments section if you have any corrections or additions - thanks!]
Theodore Wyman established a general mercantile store at Sebec, Maine, on beautiful Sebec Lake in Piscataquis County, in 1832 or 1833, in partnership with J. W. Jewett. When that partnership dissolved, he joined with William P. Lamson in a similar enterprise. For a few years, he operated the business by himself, but in 1874 formed T. Wyman & Son, with his son Theodore Heywood Wyman.
Theodore Wyman was born 25 January 1810 in Bloomfield, Somerset County, Maine, the son of Abraham and Betsey McLellan (Heywood) Wyman. He was educated at Bloomfield Academy and moved to Sebec to establish his business about 1832. In 1842, he married Caroline D. Ford, who was born 10 October 1822 in Sebec, the daughter of Abner and Mehitable (Hatch) Ford.
Theodore and Caroline (Ford) Wyman had the following children:
- Helen Maria Wyman, b. 17 Oct 1842 at Sebec, Maine; m. John Wesley Freese; d. 1920 at Ayer, Massachusetts
- Caroline Frances Wyman, b. 7 Feb 1844; d. 12 Feb 1864 at Sebec
- George Theodore Wyman, b. 10 May 1845 at Sebec, Maine; d. 4 May 1846 at Sebec, Maine
- Lucy Ann Wyman, b. 27 Mar 1847 at Sebec, Maine; m. Eugene Barry 29 September 1870; d. 1917 at Ayer, Massachusetts
- Mary Elizabeth "Lizzie Wyman, b. 4 Jan 1850 at Sebec, Maine, possibly a twin; d. 1915 at Ayer, Massachusetts
- Theodore Heywood Wyman, b. 3 April 1852 at Sebec, Maine; m. Alice Mary Snow 31 May 1877; d. 5 Mar 1918 at Sebec, Maine
- Edward Wyman, b. 6 March 1856 at Sebec, Maine; married Caroline "Carrie" or "Corrie" Bartlett in 1888; d. at Ayer, Massachusetts