Namesakes
Fictional Characters from Television:
4 characters
Earl J. Waggedorn (middle name J) 1968 Julia 
Peggy Hill (middle name J) 1997 King of the Hill
C. J. Barnes (middle name J) 2002 8 Simple Rules
Frank Lapidus (middle name J.) 2004 Lost
Notable Actors and Entertainers:
3 actors
Lee J. Cobb (middle name J) 1911-1976
Michael J. Pollard (middle name J) 1939-2019
Freddie Stroma (middle name J) 1987-
Notable Politicians and Statespeople:
1 politician
J. B. Pritzker (a.k.a. J) 1965-