The biggest memorial I know of to him is that the
I95 bridge across the Potomac bears his name. He doesn't even deserve that.
Before WW2 the US had a strong inferiority complex to Europe, and this was especially pronounced amongst the New England Elites, who, if you know anything about history, were always Anglofiles going back to the Early Republic (in fact, one of the early divisions between the Democrat-Republicans and Federalists was that the D-Rs were anti-Anglo and Pro-French while the Federalists were Pro-Anglo and anti-French). This, of course, at the end of the day goes back to money, as more of the Yankee economy was tied up in direct trade with Britain, while the more agrarian Southern economy of the time didn't care who bought their goods.
This changed when Cotton Became King, and the rise of America's own Industrial Revolution, the Yankee Traders who were dominate in the early republic were replaced by factory owners who saw Britain as competition, while the South's Cotton economy became heavily tied to Great Britain's textile mills. However, just because the Yankee Industrialists saw Great Britain as a competitor economically didn't mean they saw them as an enemy, and many of the ideas and designs they were implementing came from Great Britain. So both these elites of the time developed friendly feelings towards GB. This of course was made even easier due to the common language and shared cultural heritage. The average American could meet a Brit and while they would have some differences, they could easily communicate and even, say, share opinions on which Shakespeare plays were best. Further again because of the common language, there was a MASSIVE influx of Britain novels and other writings reprinted and published in America (and vice versa) so that Americans were often reading the same current authors as Brits and vice versa, just with a bit of delay. Meanwhile the language barrier meant continental authors took more time to be brought over and in fewer quantity and of course slower (after all, making a translation of a piece takes longer and more expertise than just reprinting something already in English).
What this means is that by the early 20th century the US and England generally saw each other as friendly related cultures, American Elites looked up to continental elites and felt inferior to them, and the elites they had the easiest time corresponding with were, of course, the English ones.
Also, bear in mind, WW1 was as much about supporting the FRENCH as the British. After all, when American troops arrived in France the saying was "Lafyette we have come!" in reference to the American Revolutionary figure of the Maquis de Lafyette...
