Wilmington Family History
Wilmington Surname Meaning
English (Somerset and Devon): from any or all of the places called Wilmington (Devon, Kent, Shropshire, Somerset, Sussex). The Devon placename derives from the Old English personal name Wilhelm + Old English connective -ing- + tūn ‘farmstead, estate’. The Kent placename derives from the Old English personal name Wīghelm + Old English connective -ing- + tūn.
The Shropshire placename derives from the Old English personal name Wilhelm or Wīghelm + Old English connective -ing- + tūn. The Somerset placename may derive from the Old English personal name Winela or Willa, or Old English willa, wiella ‘well, spring, stream’ + mǣd ‘meadow’ + dūn ‘hill’.
The Sussex placename derives from the Old English personal name Wilma + Old English connective -ing- + tūn.
Source: Dictionary of American Family Names 2nd edition, 2022