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The first son of Ambrose, Sr., named Joshua, migrated to Ohio, and his descendants migrated to Indiana. The second son of Ambrose, Sr., John, is thought to have stayed in Maryland. The descendants of the third son, Ambrose, Jr., migrated to Virginia and North Carolina.
The following map is from 1818. Note that Owensboro is called Yellow Bank and Green River is spelled Grenne River.
Ohio County Records VI, Page 180 Page 85: 6 Oct 1801, William Leach and Sarah Leach, his wife, to Ignatious Pigman, for a swap of land and 5 shillings, exchange to Pigman 200A(cres), part of John Adair’s 12,360 patented on Muddy Creek, a water of Lewis Creek. Recorded Oct 6 1801.
The second son of William Leach (1718-1780), referred to above, was William, Jr., who was born about 1744 and died 5 August 1808 in Ohio County. This man, William Leach, Jr., is also one of the original settlers of Ohio County, Kentucky. His Last Will and Testament can be found in the Ohio County courthouse, as follows:
It is my opinion that all of the members of the Leach family from Ohio County, Kentucky, are descendants of one of these two men, i.e. William Leach, Jr. and William Brooks Leach. In tracing their respective descendants our best evidence has been Wills and probate records; deeds; tax records; Bible records; and personal records provided by living descendants. I am a seventh generation descendant of William Leach, Jr.
Other researchers suggest that I am incorrect but the newspaper article seems to me to be compelling evidence. But, even if I am incorrect as to the parentage of William Brooks Leach, we do know that he and his family moved to Ohio County about 1800 from Maryland.
1. Rachel G. Leach was born 17 May 1840 and died 8 November 1865 in Ohio County. There is no evidence that she married.
2. Sarah Emily Leach was born 22 November 1843 and died 1885 in Ohio County. There is no evidence that she married.
3. Mary Ellen Leach was born about 1846 in Ohio County and died 27 Sep 1895 in Ohio County, where she is buried in Mt. Zion Cemetery. She married William Ashley Sandefur 13 January 1866, who had previously been married to her cousin, Altha Jane Leach (see above). They had nine children.
4. Josephine Leach was born 5 June 1848 in Ohio County and died 1 May 1904 in Ohio County, where she is buried in the Brickhouse Cemetery. She married Joseph N. Oldham 25 Sep 1879. They had three children.
5. Jenetta Leach was born about 1851 in Ohio County and died 26 Jan 1888 in Ohio County. She married Obed Bennett Chapman 25 Jan 1883 and they had two sons.
6. Dianah Elizabeth Leach was born 23 Jan 1853 in Ohio County and died 7 January 1926 in Ohio County. She is buried in the Martin Cemetery. She married Kinchen Anderson Martin 8 Mar 1877 and they had eight children.
7. Nancy Jane Leach was born 5 Feb 1855 in Ohio County and died 8 Aug 1903 in Ohio County, where she is buried in the Oakwood Cemetery. She married Estil Downard Oldham 11 May 1879 and they had four sons.
5. Female children of William Howard Leach:
1. Margaret Leach was born 1849 in Ohio County and died after 1860. We have no further information about Margaret.
2. Florence Ellen Leach was born 27 July 1854 in Ohio County and is not shown in the 1860 census. I found a Florence Leach that married Albert James in Indiana, but I have not been able to prove a connection.
6. Female children of Leonard S. Leach:
1. Elizabeth Leach was born 23 Nov 1788 in Montgomery County, Maryland and died 10 Aug 1842 in Ohio County, where she is buried in Arnold Cemetery. She married Jacob Henry Iler 30 Sep 1813 and they had two children.
2. Sarah Leach was born about 1794 in Montgomery County, Maryland and died about 1845 in Effingham, Illinois. She married Adam Galloway and they had one daughter and two sons.
3. Altha S. Leach was born 13 Mar 1799 in Montgomery County, Maryland and died 21 Feb 1884 in Ohio County, where she is buried in the Brickhouse Cemetery. She married Septimous Taylor and they had eight children.
4. Susannah Leach was born 22 Jan 1803 in Ohio County and died 29 Aug 1883 in Ohio County, where she is buried in the Brickhouse Cemetery. She married Richard C. Taylor 8 Apr 1824 and they had ten children.
5. Nancy Leach was born 31 Jan 1805 in Ohio County and died 12 Jan 1863 in Ohio County, where she is buried in Mt. Zion Cemetery. She married Ignatius Pigman Taylor 13 Oct 1825 and they had eleven children.
6. Martha Ann Leach was born about 1809 in Ohio County and died 19 Dec 1857 in Ohio County. She married John R. Combs 2 Apr 1846 and they had one child.