Wikipedia
McGuinness
McGuinness, McInnis McAngus or McNeese is a Scottish and Irish name that comes from the Gaelic word Mac Angus meaning son of Angus also denoting the name Mac Naois. The family were a branch of the Ulaid, part of the Ui Echach Cobo of the Dal nAraidi, they were located in counties Antrim and Down until they pushed into northwest Ireland and Scotland during the Norman and English invasions of Ulster.
- Catherine McGuinness (born 1934), Irish Supreme Court judge, former senator
- Charles McGuinness (1893 – 1947), Irish adventurer, author, and sailor
- Deborah McGuinness, American computer scientist working in the field of artificial intelligence
- Ed McGuinness, American comic book artist and penciller
- Edwin D. McGuinness, American politician, mayor of Providence, Rhode Island
- Eugene McGuinness (born 1985), British singer-songwriter
- Frank McGuinness (born 1953), Irish playwright, translator and poet
- Georgina McGuinness (née Allen), TV journalist from Adelaide
- John J. McGuinness (born 1955), Irish Fianna Fáil politician, TD for Carlow-Kilkenny 1997—
- Mairead McGuinness (born 1959), Irish Fine Gael politician, MEP 2004—
- Martin McGuinness (born 1950), Irish Sinn Féin politician, MP for Mid Ulster 2001—, Deputy First Minister of Northern Ireland
- Nathan McGuinness, visual effects supervisor
- Nigel McGuinness, English professional wrestler
- Norah McGuinness (1901–1980), Irish painter and illustrator
- Paddy McGuinness (born 1973), English comedian
- Padraic McGuinness (1938–2008), Australian journalist
- Paul McGuinness, manager of Irish rock band U2
- Paul "Mad Dog" McGuinness, Irish guitarist and vocalist with the band Shane MacGowan and The Popes
- Seán McGuinness (died 1978), Irish Republican, TD for Leix-Offaly 1923–1925
- Wilf McGuinness (born 1937), English football player and manager