These top samples of resignation letters for personal reasons can be used as helpful templates when you are looking to resign due to personal circumstances. I would not give any reason for leaving.Simply write that you're leaving for "personal reasons" after stating your intent to resign and your last day of employment with the company. A two (2) weeks notice resignation letter is the most common letter used when notifying an employer of an official resignation. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward.