In the copy of the Democratic voters who voted twice, there is an i.d. number/barcode listed beside each name. One would think the ballot they were handed had the same barcode. You wouldn’t need a name if you could match a ballot number to a name.
Perhaps. Not the way it works here in my part of Texas. Once you've checked in with the poll workers, (there are barcodes and stuff on the pages you sign in with as well - I imagine it is for making post-election tabulation of who voted easier), there is a fan of ballots on the table. You pick up one at random and go vote.
“...You wouldn’t need a name if you could match a ballot number to a name.”
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The ballot number and name is just for reconciliation purposes. The actual casting of the ballot CANNOT be linked back to the ballot number which “authorized” a vote to be cast. In the case of “paper ballots” the portion where the voter chose candidates does NOT have a number and is torn off of the “stub” which had the number.