Andrew Haslett was born 22 December 1756 in near Philadelphia, Pennsylvania, and died Bet. 07 April - 27 May 1834 in Westmoreland County, Pennsylvania.He migrated to Mifflin County, PA and served in the Rev. War from there, by 1800 he bought land in Westmoreland Co. He may have been the son of Andrew Haslett who was killed in an Indian Raid called the 'Stenton Massacre' on Oct. 8 1763 in Northampton Co., PA.He married (1) Ruth Adams.She was born Abt. 1761, and died 08 May 1819 in Westmoreland County, Pennsylvania. she is the possible daughter of William and Rebecca Adams who was in Chester and Mifflin Co., PA.He married (2) Rosanna Moore 22 October 1822 in Westmoreland County, PA.She was born Abt. 1776 in New York, and died 28 September 1867 in Westmoreland County, PA.
Children of Andrew Haslett and Ruth Adams are: i. William5 Haslett. ii. Jeane Haslett. iii. Rebecca Haslett, born 22 October 1791 in Hagestown, MD; died 05 February 1867 in Worthington Twp, Richland County,OH.She married David McClellan 1819 in Pennsylvannia; born 10 August 1792 in PA; died 08 October 1862 in Worthington Twp, Richland County,OH. iv. John Haslett. v. Ruth Haslett.She married James McElroy. vi. Isabelle Haslett, born 11 September 1793 in Hagerstown, MD; died 07 April 1877 in Richland County, OH.She married (1) William McClellan 1819 in Westmoreland County, PA; born 1794 in Westmoreland County, PA; died 06 July 1866 in Richland County, OH.She married (2) William McClellan 1819; born 1793; died 06 July 1866. vii. Richard Haslett. viii. Andrew Haslett, born 26 November 1791; died Bef. 1850 in Richland County OH.He married Eliza Hughes 1825; born 15 May 1800 in Bucks County, PA. ix. James A. Haslett, born 01 May 1798 in Pennsylvania; died 08 July 1869.He married Mary Ann Musgrave 13 February 1823 in Lancaster County Penn; born 09 January 1803 in Lancaster County Pennsylvania; died 11 April 1891 in Charlotte, Eaton County, Michigan.
Children of Andrew Haslett and Rosanna Moore are: i. Sarah5 Haslett.She married Daniel Louther. ii. Eliza Haslett.She married ? Holland. iii. Rosana Haslett.