Greathouse or associated ancestor records found in the county:

1820, Aug 7 - Census: Madison

Henry Masters household.
1) Henry Masters, male, white, age 16-26 [born 1794-1804].
2) female, white, age 16-26 [born 1794-1804].
3) female, white, age under 10 [born 1810-1820].
4) female, white, age under 10 [born 1810-1820].

1840, Jun 1 - Census: Madison

William Greathouse household.
1) William Greathouse, male, white, age 30-40 [born 1800-1810].
2) female, white, age 30-40 [born 1800-1810].
3) female, white, age 10-15 [born 1825-1830].
4) male, white, age 5-10 [born 1830-1835].
5) male, white, age 5-10 [born 1830-1835].
6) male, white, age under 5 [born 1835-1840].
7) female, white, age under 5 [born 1835-1840].

Henry Masters household.
1) Henry Masters, male, white, age 40-50 [born 1790-1800].
2) female, white, age 40-50 [born 1790-1800].
3) female, white, age 15-20 [born 1820-1825].
4) male, white, age 10-15 [born 1825-1830].
5) female, white, age 10-15 [born 1825-1830].
6) female, white, age 5-10 [born 1830-1835].
7) male, white, age under 5 [born 1835-1840].

1850, Jun 1 - Census: Madison

Return of C. L. Madison
William Greathouse household, dwelling 292, family 294.

1) William Greathouse, age 37 [born 1813], male, farmer, born in OH.
2) Rachel Greathouse, age 40 [born 1810], female, born in PA.
3) Leonard Greathouse, age 14 [born 1836], male, born in OH, attended school within year.
4) Wm Greathouse, age 11 [born 1839], male, born in OH, attended school within year.
5) Sarah Greathouse, age 9 [born 1841], female, born in OH, attended school within year.
6) James Greathouse, age 6 [born 1844], male, born in OH, attended school within year.
7) Hannah Greathouse, age 3 [born 1847], female, born in OH.
8) Abraham Lee, age 18, male [born 1832], farmer, born in OH.

Sources:

Fourth Census of the United States, 1820; (National Archives Microfilm Publication M33, 142 rolls); Records of the Bureau of the Census, Record Group 29; National Archives, Washington, D.C. Henry Masters household, Roll M33_91; Page: 190.

Sixth Census of the United States, 1840; (National Archives Microfilm Publication M704, 580 rolls); Records of the Bureau of the Census, Record Group 29; National Archives, Washington, D.C. Roll 397; Page: 350, William Greathouse household.

Ibid., Henry Masters household.

Seventh Census of the United States, 1850; (National Archives Microfilm Publication M432, 1009 rolls); Records of the Bureau of the Census, Record Group 29; National Archives, Washington, D.C. Roll M432_684; Page: 402, William Greathouse household.