Some of those citations you see on wiki are highly suspect too and why nobody who is in search of real source material puts much stock in them.
I would guess that depends on the source.
I've been looking through them searching for the citation on the most controversial aspect; that the votes in this case were not cast anonymously.
Ain't found that yet, but as always such searches lead to more info. Check out this site...
https://sites.google.com/site/wvotherhistory/may-23-1861-vote-on-secession-from-u-s-At this point I'm hoping I can get access into THIS particular book (from the Wiki references)....
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A House Divided, Statehood Politics & the Copperhead Movement in West Virginia, (1964)..without actually buying the durned thing, I got way too many books laying around as it is.
Birdwatcher