<Tr> <Th_colspan="2"> Families </Th> </Tr> <Tr> <Td_colspan="2"> Clan Kelly (Scotland); Kelly family of Uí Maine (Ireland) </Td> </Tr> <P> Kelly / ˈkɛli / is a surname in the English language . The name has numerous origins . In some cases it is derived from toponyms located in Ireland and Great Britain, in other cases it is derived from patronyms in the Irish language . </P> <P> In many cases Kelly is an Anglicisation of the Irish surname Ó Ceallaigh (IPA (oːˈcal̪ɣiː)), which means "descendant of Ceallach" or it can also mean warrior or fighter . The personal name Ceallach has been thought to mean "white - headed", but the current understanding is that the name means "frequenting churches", derived from the Irish ceall . In other cases the surname Kelly is an Anglicisation of the Irish Ó Cadhla, which means "descendant of Cadhla". The O'Kelly or Kelly of the Clan Brasil Mac Coolechan originated as a chieftain clan of the Ulaid . </P>

Where does the last name kelley come from
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