Gary,
I have no clue as to when or where the reunion is held. I talked to your father, H.R., nearly a year ago. He and my husband's father, Bob, would be 1st cousins. So, you and my hubby would be second cousins. I remember your father mentioning there was a Debenport reunion held every June in Texas (where he didn't say). I wish I could be of more help.
Carol Ann Cox-Debenport