When resigning for personal reasons, use the following template and examples as a starting point to write your resignation letter. Simply write that you're leaving for "personal reasons" after stating your intent to resign and your last day of employment with the company.I am writing to inform you of my decision to retire from my position as (Your Job Title) at (Company Name). My last day of work will be (Date). 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. Dear (name of manager),. Begin your letter with a statement of intent that is brief and focused. State that you are resigning and the effective date. Use one of our resignation letter templates. Adhere to the outlined plan in the resignation letter.