It is easy to think of emigration as a one-way process, but not everyone who went to live in another country stayed there permanently. As more and more records are indexed online, you may find family members in unexpected places, and as a result discover that your 'stay at home' ancestors were more well-travelled than you thought. Audrey Collins is a Family History Specialist at The National Archives, where she has worked for ten years. She is a regular speaker at family history conferences and events in the UK and overseas, and is the author of numerous books and articles. Her most recent publication is Birth, Marriage and Death Records: a guide for family historians (Pen & Sword 2012), which she co-wrote with Dave Annal.