There are several Ong listings in West Virginia, and one near Wm Jackson in the 1860.

27. Caroline OUG - International Genealogical Index/North America
Gender: F Marriage: 9 Aug 1868 Meigs', 'Ohio
This enty is from a transcription of the Probate (Marriage) books at Pomroy, Meigs Co., OH

Oug, Isaa WV CABELL CO. GUYANDOTTE P.O. 057 1860
Oug, Nerassa M. WV JACKSON CO. UNION TWP 379 1870
Oug, Nathan WV JACKSON CO. UNION TWP 379 1870
Oug, Susan WV CABELL CO. GUYANDOTTE TWP 582 1870
Oug, Margret WV CABELL CO. BARBOURSVILLE TWP 553 1870

N. K. OUG - International Genealogical Index/North America
Gender: M Marriage: 27 Feb 1877 Tuscarawas', 'Ohio
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From GenForum at Genealogy.com:
Posted by: Michael Petrik
In Reply to: Caroline Ong of W VA & OH 1840 and later by Robert D. Ollom
Caroline Ong,dau. of Jacob Ong and Hannah Davis was born on November 15, 1839 in Smithfield,Ohio. It is recorded in The Ong Family Book By Dr. A. Ong that she was living in St Louis, Missouri in
the year 1906. I hope this helps,sorry I cannot provide more.
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