[I think Lindsey was born to a well-to-do family, rather than millionaire rich]
Rock Stars Who Were Born Rich by Michael Gallucci, Ultimate Classic Rock
Before he hooked up with Stevie Nicks in Los Angeles for a singer-songwriter duo that would eventually transform Fleetwood Mac from lumbering British blues band into world-dominating rock stars, Lindsey Buckingham spent his time in a California suburb. His dad owned a successful coffee plant. Young Lindsey, along with his two older brothers, spent a good deal of his free time swimming competitively. In high school, he became a star water-polo player, which says all you need to know about his pre-Mac finances.