There are 6 North American P-51C aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1942 and 1948.
N5528N
1948 North American P-51C
Minot, ND
N1204
1944 North American P-51C
Polk City, FL
N487FS
1943 North American P-51C
Houston, TX
N6555B
1943 North American P-51C
Dover, DE
N61429
1942 North American P-51C
Dallas, TX
N426QA
North American P-51C
Idaho Falls, ID