Leave the two-Robert machine alone for a minute. Start with the McKinney land body.
Source-visible name forms remain source-local. The 1831 return and the later patent each say Catharine McKinney. This experiment does not merge them merely because the name and Article XIX structure align.
Choose any box below. There is no required order.
One occurrence may align with another without becoming the same historical person. The machine keeps that brake on.
Put the plain piece in first. Turn it over only when you want the source state and exact brake.
The present body is already substantial, but three missing bridges would change what the machine can safely say.