Legal Question in Family Law in Georgia

You can serve him by publication but you have to convince the Court you have exhausted all reasonable means to find him. Consult with a local attorney.

My office handles such matters and it appears you are in a county where I practice.

Assuming you can show the court that you made a dilligent search, you may be able to proceed by publication. I would need to know more details to advise you as to cost and what would happen in such a case. Feel free to call me with those details, as the procedure is greatly affected by details you did not post