Lindsay and Sydney Greenbush as Carrie Ingalls Little did we all know that that Carrie Ingalls was really Lindsay and Sydney Greenbush a beautiful set of twin girls, taking turns playing the part.  Both Lindsay and Sidney are making the most of their post Little House on The Prairie lives.  Sidney both trains, raises, and breeds Quarter Horses.  She's an avid rider and if you visit their official website greenbushtwins.com you can see some photos of her riding.  Lindsay loves the environment and loves being a mother.  One this is for sure, both of these little girls we loved as Carrie Ingalls are vibrant busy women these days.