In 1823, William Congrove married Elizabeth Irons, daughter of Jonathan Irons and Agnes Critchlow.

Marriage Records of Bullitt County, Kentucky 1797-1825 (Bonds, Consents, Licenses, Minister's Returns, Registers), by Betty Rolwing Darnell, page 83, 2003
-Consent: For marriage
-Date: 8 Nov 1823
-By: Her mother Agnes Irons

Kentucky Marriages, 1802-1850
-Groom: William Congrove
-Bride: Elizabeth Irons
-Marriage Date: 11 Nov 1823
-Marriage Place: Bullitt County, Kentucky
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Per the 1840 U.S. Census, William Congrove and family resided in Butler Township, Bullitt County, Kentucky. Listed are:

Head of Family: Wm Congrove
....Age Groupings...........Birth Years....Assumed Names & Ages
Males - Under 5--------1 [1836-1840 - Richard, age 3]
Males - 5 thru 9---------1 [1831-1835 - Unknown]
Males - 10 thru 14------2 [1826-1830 - Henry b. 1828, age 12]
........................................................... - William T. b. 1832, age 8]
Males - 30 thru 39-------1 [1801-1810 - William b. 1800, age 39]
Females - Under 5------1 [1836-1840 - Mary Erastus b. 1835, age 4]
Females - 5 thru 9------1 [1831-1835 - Martha Ann b. 1833, age 7]
Females - 30 thru 39---1 [1801-1810 - Elizabeth b. 1806, age 34]
Total - All Persons----- 8
Total Slaves-------------1
Persons Employed in Manufacturing and Trade: 4
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William Congrove died in 1846. In 1857, Elizabeth Irons Congrove married Shelby Prewitt (1797-1869).

Kentucky Marriages, 1785-1979
-Bride: Elizabeth Congrove
-Age: 50
-Birthplace: Bullitt Co., Ky
-Marital Status: Widowed

-Groom: Shelby Prewitt
-Age: 60
-Birthplace: Shelby County, Ky
-Marital Status: Widowed
-Marriage Date: 13 Jan 1857
-Marriage Place: Bullitt County, Kentucky
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William and Elizabeth Congrove are known to have 8 children:
-Jonathan Irons Congrove (1823-1898)
-Henry Congrove (Abt 1828-Bet 1880 & 1900)
-Richard S Congrove (Bet 1836-1840-1841)
-William T Congrove (1830-1853)
-Martha Ann "Patsy" Congrove Weller (Abt 1833- ? )
-Mary Erastus Congrove Byrne (about 1835- ? )
-Rufus Congrove (1842-1914)
-Elizabeth Jane "Bettie" Congrove Graham (1845-1934)