Thomas Lathrop Kennan was born 22 February 1827 in Morristown, St. Lawrence County, New York, United States to George Kennan (1795-1876) and Mary Tullar (1801-1866) and died 1920 Milwaukee, Milwaukee County, Wisconsin, United States of unspecified causes. He married Lea Brown (1829-1906) .
|Offspring of Thomas Lathrop Kennan and Lea Brown (1829-1906)|
|Kossuth Kent Kennan (1851-1933)||1851 Milwaukee, Milwaukee County, Wisconsin, United States||8 December 1933||Florence James (1860-1904)|
|Chester Tullar Kennan (1857-1933)|
|Lea Brown Kennan (1859-1934)|
|Mary Brunch Kennan (1863-1942)|
|Charlotte Jane Kennan (1867-1956)|
|Thomas Lathrop Kennan (1874-1911)|