What is the world record for largest newborn baby in America?

According to Guinness World Records, the heaviest baby ever born in the United States was Robert Wadlow, who weighed 22 pounds, 8 ounces (10.2 kilograms) when he was born in Alton, Illinois in 1918. He went on to become the tallest man in the world, reaching a height of 8 feet 11.1 inches (2.72 meters) before his death in 1940 at the age of 22.