Mom, daughter share Feb. 29 birthday SADDLE RIVER, N.J., Feb. 29 (UPI) -- A New Jersey woman celebrating her birthday Feb. 29 said her daughter beat 2 million-to-1 odds and was born on the same day. Michelle Birnbaum, 32, of Saddle River said she went into labor with her daughter, Rose, Feb. 28, 2008, and was both surprised and overjoyed when she was born 11 hours later, allowing her to share her mother's Leap Day birthday, the New York Post reported Wednesday. It was just luck. All the stars lined up at the right time," Birnbaum said. James Ennis, a professor at Tufts University, said the odds of the mother and daughter both being born on Feb. 29 were 2 million-to-1.