First name origins & meanings:
- Irish: Faithful
- Welsh: Sea
First name variations: Dil, Dill, Dillie, Dilly, Dillyn, Dilon, Dilyn, Dilynn, Dillan, Dyllan, Dyllon, Dylon, Dylan
Last name origins & meanings:
- English and French: from the Germanic personal name
Dillo (of uncertain origin, perhaps a byname from the root
dīl ‘destroy’), introduced to Britain from France by the
- English: habitational name from Dilwyn near Hereford,
recorded in 1138 as Dilun, probably from Old English
dīglum, dative plural of dīgle ‘recess’,
‘retreat’, i.e. ‘at the shady or secret places’.
- Irish (of
Norman origin): altered form of de Leon (see
- Irish: reduced Anglicized form of Gaelic Ó
Duilleáin ‘descendant of Duilleán’, a personal name,
a variant of Dallán meaning ‘little blind one’.
- Jewish (eastern Ashkenazic): of uncertain origin; either an
ornamental name from the Biblical place name Dilon (Joshua 15:38), or
an altered form of Sephardic de León (see Lyon).
Famous people with this last name:
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