There are 6 Grumman J2F6 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 1939 and 1953.
N5855S
1953 Grumman J2F6
Polk City, FL
N3960C
1947 Grumman J2F6
Beaverton, OR
N1214N
1945 Grumman J2F6
Polk City, FL
N5SF
1939 Grumman J2F6
Houston, TX
N1235N
Grumman J2F6
Elk Grove, CA
N910CM
Grumman J2F6
Elk Grove, CA