In 1998 I visited the Mt. Blanchard Cemetery in Hancock County, OH and found the following PATTERSON burials, among others. I did not record them all. Hope this helps someone. The parentheses are mine:

Robert PATTERSON, 1822-1905
Mary Ann PATTERSON, 1826-1871 (maiden name: Roberts)

James PATTERSON 1788-1849
Mary PATTERSON (his wife) 1798-1884 (maiden name: Nelson)

William PATTERSON 1837-1909
Sarah A. Patterson (his wife) 1840-1914

John N. Patterson, 14 Sep 1843 - 5 May 1924, G.A.R. marker

Benny PATTERSON, son of S. and E. J. Patterson, d. 13 Sep 1866 aged 2 yrs 3 mos 2 days

Allie wife of W. A. Patterson, d. 13 Jul 1879 age 23

William A. Patterson, 1853-1929

Fannie L. Patterson, 1861-1927

Altha J. Patterson, 1865-1879

Mary V. Patterson, 1881-1883

Mary L. Patterson, d. 22 Aug 1880, aged 25 years

Emma E. Patterson, dau. of J. and R. C. Patterson, d. 24 Aug 1863 aged 3 yrs

Iva L. Patterson, dau. of J. and R. C. Patterson, d. 12 Mar 1860 aged 1 yr

Rebecca C. Patterson, 1828-1906 (maiden name Hickle), wife of
Joseph PATTERSON, 1827-1895

Virginia A. Patterson, 1849-1919

James F. Patterson, 1853-1920

I would like to correspond with anyone with PATTERSON connections in Hancock County, OH.