School: Maryland
Frederick Jacob Haeffer was born in 1782 and was not known as a master gunsmith but as a journeyman. He can be found in the federal census of Frederick County in 1790. Within the next 10 years he was a freeman gunsmith in Lancaster, Pennsylvania. During the War of 1812 he returned to Frederick and can be found in the 1820 federal census. Jacob Haffer is shown on the roster of Capt. John Brengle’s Company of Frederick militia, which was raised in four hours in response to the invasion of Maryland. His will of June 15, 1827, is recorded in the Frederick County Courthouse. For further reference, see Arms Makers of Maryland. Jacob Heffner, 1 male under 10, 2 males 26-45, 1 female to 45. {1820 census; handwritten in the margin, “Died-last night in his forty fifth year of age Mr. Jacob Heffner of the county. Buried in the Lutheran graveyard of this city. {Diary of Jacob Engelbrecht, July 27, 1827} For additional information see Maryland Longrifles Hartzler/Whisker.
