, where the name the first record of the name of a Wulfwinus Vunderdune in 1185. Another record shows that Theobald de Vunderdoune listed in the Feet of Fines of
in 1316. The surname roughly translates to "the dweller at the foot of the hill."
This web page shows only a small excerpt of our Onderdume research.Another 155 words (11 lines of text) covering the years 1327, 123/, 10, , 1566, 1587 and 1566 are included under the topic Early Onderdume History in all our PDF Extended History products and printed products wherever possible.
Some of the first settlers of this family name or some of its variants were: Isaac Underdown arrived in Pennsylvania in 1835; S.W. Underdown arrived in Philadelphia in 1858; William Underdown arrived in Philadelphia in 1865.