Will County ILGenWeb Biographies..... 
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File contributed for use by:
Dori Leekly & Margie Glenn

Author: History of Will County IL, 1878

John J. FLACK (deceased), formerly of Joliet, whose portrait appears in this work, 
was born on May 10, 1799, in Washington Co., N. Y. He married Dec. 24,1818, Miss 
Elizabeth NELSON, who was born in same county Dec. 15, 1799. In 1819, he moved from 
Washington Co. to Essex Co., N. Y., and was largely engaged in farming and the 
manufacture of lumber and iron, also a large dealer in horses, cattle, sheep and 
hogs. He was also for many years an officer of the court. Mr. FLACK having in the 
year 1844, purchased large tracts of land in the State of Illinois, moved his family 
to Joliet in 1845, and became very largely engaged in farming and stock-raising; he 
also was interested in property, both in Chicago and Joliet. He was an officer of the 
court in Will Co., and Joliet also, for many years. He died Sept. 25, 1876, aged 80 
years, 5 months and 15 days; his widow still survives him, a good wife and mother, and 
a lady beloved by all. They had eight children, all born in Essex Co., N. Y., Jane 
A., born Sept. 8, 1819; W. Nelson, Jan. 1, 1821; J. Alexander, Aug. 4, 1823; Mortimer 
A., May 25, 1825; Maria A., May 15, 1827; Whalon J., Nov. 23, 1829; Washington J., 
Sept. 19, 1832, and Martha J., born July 6, 1839.


Additional Comments:
HISTORY OF WILL COUNTY, ILLINOIS; Chicago: Wm LeBaron Jr & Co, 186 Dearborn Street, 1878.