Didn't find any marriage records,
Found
1850
Owen Co Ky, Dist 1
Thomas
Heran age 39
Anna 28
John H 15
Nancy I 13
Sally A 12
Dicy F 10
Lucy C 8
Mary C 6
Charlotte 4
Catharine 2
William 1
1900 Census
Owen Co, Owenton ED 49 pg 153A
Hearn, William 8 1849
Minda or Rinda 5 1850 they had been married 23 yrs
George 6 1878
Birdie 4 1880
Willie (female) 2 1886
Robert 1 1888
Mary 3 or 5 1890
1910
Poplar Grove,
Owen Co Ky pg 135A ED 77
William age 54 married 26
Minda age 56 married 26 has 6 of 8 living children
George age 22
Robert age 20
go to
www.familysearch.org, search
Hearn Owen Co,
Kentucky your William and Lorinda are there. as well as other
Hearns, if you search by last name in co as well.