I'm not related, just trying to help.
Illinois Statewide Marriage Index, 1763–1900
BLUNK, WILLIAM H
CARMAN, ELLEN
1861-06-02
book D page 171
MC LEAN CO, ILLINOIS
1870 United States Federal Census
Gridley, McLean, Illinois
William Blunk 29 farmer MO
Ellen Blunk 26 k. house IN
Frank Blunk 9 IL
Archey Blunk 4 IL
Henry Blunk 2 IL
Virginia Blunk 8 IL
on the same census page:
Benj. Carman 65 farmer NC
Sarah Carman 65 k. house NC
Vatchell Carman 35 m farmer IN
1880 United States Federal Census
Capps Creek, Barry, Missouri
William Blunk 39 farmer MO IN IN
Ellen Blunk 27 wife keeping house IN KY KY
Archibald Blunk 14 son farmer IL MO IN
Henry Blunk 12 son attending school IL MO IN
William Blunk 9 son MO MO IN
Parker Blunk 5 son MO MO IN
Joseph Blunk 3 son MO MO IN
It looks like Ellen died between 1880 and 1900 and William married Mrs. Mary J. Smith.
1900 United States Federal Census
Beaver Creek Township, Taney, Missouri
William H Blunk 56 head Sep 1843 MO IN IN farmer
Mary J Blunk 41 wife Jun 1859 IL IL IL
Joseph H Blunk 23 son Feb 1877 MO MO IN
Grace Smith 17 s-dau Mar 1883 MO MN IL
Stanley Smith 14 s-son Nov 1885 MO MN IL
Ray Smith 12 s-son Sep 1887 MO MN IL
Alice Smith 9 s-dau Jun 1890 MO MN IL
Frank Smith 8 s-son May 1892 MO MN IL