Names that begin with Mac or Mc include Mac Cárthaigh (MacCarthy), Mac Diarmada (MacDermott), Mac Domhnaill (MacDonnell), and Mac Mathghamhna (MacMahon) Mag Uidhir (Maguire)), (McDonagh), (MacNamara), (McInerney), (MacGrath), (McEnery), (McGee), (Magennis), (McCann), (McCaffrey), (McLaughlin) and (McNally) Mac is commonly anglicised Mc. However, "Mac" and "Mc" are not mutually exclusive, so, for example, both "MacCarthy" and "McCarthy" are used. both "Mac" and "Ó'" prefixes are both Irish in origin, Anglicized Prefix Mc is far more common in Ireland than Scotland with 2/3 of all Mc Surnames being Irish in origin However,"Mac" is more common in Scotland and Ulster than in the rest of Ireland; furthermore, "Ó" surnames are less common in Scotland having been brought to Scotland from Ireland. The proper surname for a woman in Irish uses the feminine prefix nic (meaning daughter) in place of mac. Thus a boy may be called Mac Domhnaill whereas his sister would be called Nic Dhomhnaill or Ní Dhomhnaill – the insertion of 'h' follows the female prefix in the case of most consonants (bar H, L, N, R, & T).