https://en.m.wikipedia.org/wiki/Rothschild_Island
Wikipedia, perhaps the following is true.
The island was sighted from a distance by the French Antarctic Expedition (c1908-1910), and named by Charcot in honour of Baron Edouard de Rothschild (1868-1949), head of the Rothschild banking family of France and president of de Rothschild Frères.
The name on the map I posted disappeared! Trying again.
Wikipedia, perhaps this is true.
The island was sighted from a distance by the French Antarctic Expedition (c1908-1910), and named by Charcot in honour of Baron Edouard de Rothschild (1868-1949), head of the Rothschild banking family of France and president of de Rothschild Frères.