Hi Kay, Glad those records are of some help. For the actual registration dates the Delaware County Probate Court might be worth checking out.

Mendenhall, 1563 LAND

Mendenhall, Edward 5412 LEGAL

Mendenhall, Edward 5411 LEGAL

Mendenhall, Edward S. 217 EST

Mendenhall, Edward S. 6148 WILL

Mendenhall, J H 4456 DEPOSIT

Mendenhall, James W 5105 WILL/EST

Mendenhall, Joel Z. 1961 WILL/EST

Mendenhall, Joel Z. 1813-B EST

Mendenhall, John 3171 LEGAL

Mendenhall, John H. 7339 EST

Mendenhall, Lucinda 6286 WILL

Mendenhall, Margaret R. 7338 EST

Mendenhull, John 2679 JUDGEMENT

As a "curious mind" I looked at the main cemetery (Oak Grove) in Delaware, Ohio and came up with these notations. If you weren't aware of them I hope they will also be of some value in your research.

MENDENHALL BURIALS OAK GROVE CEMETERY DELAWARE, OHIO

Mendenhall, Adaline S., b. 12/25/1866, d. 01/23/1960, Father: Stanbery, John Rathbone
Mendenhall, Albert, b. 10/15/1880, d. 10/11/1938, Father: Mendenhall, Charles
Mendenhall, Bertha Belle, b. 06/22/1884, d. 11/05/1963, Father: Nooks, Ellick
Mendenhall, Clarence Albert, b. 06/06/1939, d. 06/12/1961, Father: Mendenhall, Paul
Mendenhall, Douglas Andrew, b. 09/10/1910, d. 12/10/1988, Father: Mendenhall, Prince Albert
Mendenhall, E. S., b. 1789, d. 04/08/1853, "Father"
Mendenhall, Edward S., d. 03/01/1904, Father: Mendenhall,Edward S.
Mendenhall, Edward Scull, b. 09/24/1854, d. 08/08/1939, Father: Mendenhall, John H.
Mendenhall, Erma M., b. 05/04/1912, d. 04/16/1990, Father: Mendenhall, Prince Albert
Mendenhall, Ernest, no dates
Mendenhall, Gay, b. 05/25/1917, d. 07/28/2001, Father: Dalrymple, Robert P.
Mendenhall, Herndon, d. 09/01/1896, Father: Mendenhall, Edward
Mendenhall, J. Hayes, d. 02/09/1882
Mendenhall, James W., b. 1844, d. 1892
Mendenhall, John Hayes, b. 1825, d. 04/17/1905, Father: Mendenhall, E.S.
Mendenhall, Lucinda, b. 1810, d. 02/10/1899
Mendenhall, Margaret Ann, b. 1918, d. 11/13/1974
Mendenhall, Margaret, b. 1824, d. 04/02/1903, Father: Reynolds, Richard
Mendenhall, Milt, d. 1906
Mendenhall, Milton, d. 11/02/1918
Mendenhall, Rhoda H., b. 1801, d. 02/23/1852, "Mother"
Mendenhall, Robert Vernon, b. 12/27/1920, d. 09/08/2003, Father: Mendenhall, Carl

Art Thomas