Hattie (died in 1922) was an elephant in New York City's Central Park Zoo that in 1904 was described as the "most intelligent of all elephants". In 1911 she was described as "nearly human".
Hattie (elephant) Wikipedia
She was purchased for $5,000 and trained by Bill Snyder who had trained elephants at Ringling Bros. and Barnum & Bailey Circus. The elephant had been brought to New York City from Ceylon in 1903 by Carl Hagenbeck. She died in November 1922 at the Central Park Zoo after a week-long illness.