[header] How to find out if a girl is single [title] Be discreet. [step] Talk to her friends and family if you already have an established relationship. If you have never spoken to them before, you may need to take extra time to establish a new dynamic. 
Always be respectful when you speak to anyone in her circle as it will reflect on you later. [substeps] You can also be direct and open as to why you are talking to them; however, know that they may quickly tell her or pass their own judgement and refuse to help you.