May I inquire as to why you placed your request in the Adams Co Illinois message board? From what you've given, if it is the same family, you'd have better luck posting in Pennsylvania boards and then the Florida boards.
It appears your Leonard Hoffman was born in Allentown, Lehigh County Pennsylvania as Leonard Daniel Hoffman 4 June 1923. He served in the Army during WW2. He lived after this in Deland, Volusia County Florida where he died 11 April 1991. He is buried in Cedar Hill Cemetery in Lehigh County. At time of death his survivor was Lorraine A (Fisher) Hoffman.
He was the son of Russell James Hoffman. Russell having been born in Allentown on 19 Oct 1895. Russell and wife, Florence begin appearing together on the 1920 census with Leonard D showing on the 1930 with family as 6 yrs old.
On the 1900 Florence Kudel was 8 yrs old and living with her widowed father, August in Newcastle, Lawerence County Pennsylvania.
Any of this sound like perhaps what you are looking for?