No.
Griffin O'Neal's mother is Joanna Moore, not Farrah Fawcett.
he works in El Cajon Ca. at Taylor Guitars.
He is alive, and dating Kathy Griffin.
ALIVE
YES
Lois Griffin is alive, but Stewie killed her in a simulation in the 100th episode
Oneal Jenkins has written: 'Oneal's memories' -- subject(s): Biography
No he is currently 12 and alive.
Oneal Moore died in 1965.
James Oneal was born in 1875.
James Oneal died in 1962.
No they are not related