Georgia baby Katherine Brower born 19 inches long, at 9:19, on 9/19/19

In an extraordinary circumstance, a baby girl was born on 9/19/19 at 9:19 p.m. -- and yes, she was 19 inches long, too.

"When she came out we did skin-to-skin. I looked at my husband and I said, 'Can you believe it's 9:19 p.m. on 9/19?'" mom Kristina Brower told "Good Morning America." "It's just going to be a story I tell her when she gets older and if she plays the lottery or anything, her number is 19."

Editor’s Picks

Teachers reveal how much they're spending on classroom supplies, including books and furniture

Daughter cracks up as mom surprised her at bus stop dressed as unicorn

Couple welcomes 9-pound, 11-ounce baby on 9/11 at 9:11

Katherine Brower, now 1 week old, wasn't due to arrive until Sept. 25, but the child came early at 39 weeks at Candler Hospital in Savannah, Georgia.

"I had a rough night the night before and I kind of knew that by that morning I was probably going to have a baby that day," Brower said, adding her husband Henry was also amazed by Katherine's birth coincidence.

Katherine joins big brothers Jackson, 4 and Tristan, 2, who have been a huge help with their baby sister.

And Katherine isn't the only family member with a unique birth story. Brower said her father and two older brothers all share the same birthday, March 10.