There are claims that there is a German with a 746-letter name (I had to add some hyphens and whitespace to make it show up on one page):
Adolph Blaine Charles David Earl Frederick Gerald Hubert Irvin John Kenneth Lloyd Martin Nero Oliver Paul Quincy Randolph Sherman Thomas Uncas Victor William Xerxes Yancy Zeus
Wolfeschlegelsteinhausenbergerdorffvoralternwarengewissenhaftschaferswessen-
schafewarenwohlgepflegeundsorgfaltigkeitbeschutzenvonangreifendurch-
ihrraubgierigfeindewelchevoralternzwolftausendjahresvorandieerscheinenwanderersteer-
demenschderraumschiffgebrauchlichtalsseinursprungvonkraftgestartseinlangefahrt-
hinzwischensternartigraumaufdersuchenachdiesternwelchegehabtbewohnbarplanetenkreise-
drehensichundwohinderneurassevonverstandigmenschlichkeitkonntefortplanzenundsicher-
freuenanlebenslanglichfreudeundruhemitnichteinfurchtvorangreifenvonandererintelligent-
geschopfsvonhinzwischensternartigraum, Senior
Although it looks more like a practical joke than a name, and Wikipedia wonders whether it was a publicity stunt.
Guinness Book of World Records listed the name between 1975 and 1985, but the category had disappeared by the late 1980s.
See related links.
Yes, my great-grandmother has the longest name in my family. Her name is Elizabeth Penelope Margaret Vaughn.
Jared is the second person to live the longest in the bible
Nathan Longest's birth name is Nathan Ewell Longest.
The longest name is Stanislav Burgorovich Kovelev
The beard of Hans Langseth of Norway, was measured at 17 1/2 feet.
I think watermelon is the fruit with the longest name.
Newfoundland and Labrador is the Canadian province with the longest name.
Äteritsiputeritsipuolilautatsijänkä is the longest place name in Finland
Mel Grubbe & to be exact she has the world's longest eyelash(:
September is the month with the longest name, consisting of 9 letters.
Jeanne Calment was mostly likely the longest person to live as she lived for 122 years and 164 days.
What name ties with the longest name in states