The names Jeddo and Yedo became commonly used by English-speaking people in the mid-1800s, following the expedition of Commodore Matthew Perry, which resulted in the opening of Japan to trade.
Following the Perry Expedition, there was an increase in popular interest in Japan, and a number of American communities were named Jeddo or Yeddo.
Jeddo and Yedo are called anglicizations, because they are a rendering into the English language of the verbal sound of the name of the town of Edo, Japan.
This large bay was the venue for Perry's early contact and later negotiations with the Japanese Tokugawa shogunate based at Edo in 1852, 1853, and 1854, which resulted in treaties in 1856 opening Japan to trade with the United States and other countries.
[2][3] References to Jeddo by English speakers increasingly appear during and after the 1850s, continuing for several decades, followed by a slow reduction of usage after the transfer of power in Japan in 1868 resulted in the change of name from Edo to Tokyo.