I have also been poking around the good old interweb lol and have also found some other ones..here goes.. Octavius, Odell, Oswin, Orlin, Odrhan, Omri, Onyx, Orfeo, Orlo, Oren, Ozymandias, Oxley
If I remember right, your first baby is named Owen, yes? I like Oakley, but maybe Oswald, Oscar, Otis, Orlando, Odin, or Otto could work.
I like Oakley
Osaiah
Owen
Oriley
Omar is lovely name for a baby boy
Oakley is my youngest's middle name. Other o names are Oliver, Oscar, Othello