Name – or good luck charm? "Harper is an old English name, which we love," David Beckham explained on Facebook days after welcoming a daughter July 10, 2011, with wife Victoria. "One of the reasons is Victoria's favorite book is To Kill a Mockingbird and the author was Harper Lee." As for her numerical middle name, "[Seven] symbolizes spiritual perfection," he added. "In many cultures around the world, it's regarded as a lucky number."