Charles Callihan son of Daniel was born 1736 V. d.1820. Chas. made executor of his father's (Daniel) estate and reference is made to a brother Dennis.Chas. had 3 daughters by 1st marriage,he then married Mary Stuart they had 2 sons Charles who married Jane Ryder and William WR who in 1812 married Mary Pickens (daughter of Alexander and Sarah Tompson Pickens). I believe Daniel and Dennis were both born in Ireland, but haven't proof.