Selected Mottoes (with Translations): "Mc" Surnames
| Family Name | Original Language (Usually Latin or Old French) | English Translation (if needed) |
| McAdam | -- | Steady |
| McAdam | In hoc signo vinces | Under this sign you shall conquer |
| MacAlister | Fortiter | Boldly |
| McAllister | Per mare per terras | Over land and sea |
| McArdle | Virtute et valore | By virtue and valour |
| McAuley | Dulce periculum | Danger is sweet |
| McBean | -- | Touch not a cat, but a glove |
| McBrayne | -- | I hope in God |
| McBrayne | -- | The righteous are bold as a lion |
| McBride | -- | I am ever prepared |
| McCabe | Aut vincere aut mori | Either to conquer or die |
| McCaffrey | Justitia et fortitudo invincibilia sunt | Justice and fortitude are invincible |
| McCall | Furio tego | I core with iron |
| McCann | Crescit sub pondere virtus | Virtue thrives under oppression |
| McCarron | Non dormis | I sleep not |
| McCarthy | Forti et fideli nihil difficle | To the brave and faithful man nothing is difficult |
| McCarthy | Lamh laidir a-buagh | Strong hand uppermost |
| McCartney | Spe et amor | I rejoice in hope |
| MacCausland | Virtus sola nobilitat | Virtue alone ennobles |
| McChlery | Labore et honore | Labour with honour |
| McClean | Virtue mine honour | Virtue is my honour |
| McCleish | -- | Love |
| McCleland | -- | Think on |
| McClintock | Virtute et labore | By valour and exertion |
| McClure | Spectemur agendo | Let us be judged by our actions |
| McCluskey | Sica inimicis | A dagger to his enemies |
| MacDermot | Honor virtutes praemium | Honor is the reward of valour |
| McDermott | Honor et virtus | Honour and virtue |
| McDermott | Honor probataque virtus | Honour and approved valour |
| McDonagh | Virtus gloria merces | Glory is the reward of virtue |
| MacDonald | -- | My hope is constant in thee |
| McDonald | Per mare per terras | Over land and sea |
| MacDonald | Pro patria | For my country |
| MacDonell | Per mare per terras | By land and sea |
| MacDongall | -- | Fear God |
| McDonnell | Sero sed serio | Late but in earnest |
| McDonnell | Toujours pret | Always ready |
| McDowall | Pro Deo, rege, et patria | For God, king, and country |
| McDowall | Sic itir ad astra | This is the way of the stars |
| McDowall | Victoria | Victory |
| McDowell | Fortis in arduis | Brave under difficulties |
| McEnchroe | Sceac mac concrada | The thorn bush of Enchroe |
| McEnery | Vincit veritas | Truth prevails |
| MacEvoy | Misneac | Bear and forbear |
| McEvoy | Misneac | Bear and forebear |
| McEwan | Reviresco | I flourish again |
| McFadden | Cervus lacessitus leo | The stag at bay becomes a lion |
| MacFarlan(d) | -- | This I'll defend |
| MacFie | Pro rege | For my king |
| McGann | Virtute probitate | By virtue and honesty |
| McGarry | Fear garb as mait | A good blunt man |
| McGee | In Deo confido | I trust in God |
| McGenis | Sola salus servire Deo | To serve God is the only salvation |
| McGeogh | Nemo me impune lacessit | No one provokes me with impunity |
| MacGeorge | -- | Dread God |
| McGilevray | -- | Touch not the cat bota (without) a glove |
| McGill | Sine fine | Without end |
| McGill | In Domino confido | I trust in the Lord |
| McGillycuddy | Sursum corda | Hearts upwards |
| McGinn | Amor et honor | Love and honour |
| McGovern | Serviendo guberno | I govern by serving |
| McGowan | Tennebras expelit et hostes | He drives forth the darkness and the foe |
| McGrath | Salus in fide | Salvation by faith |
| McGregor | Nunquam non paratus | Never unprepared |
| MacGuarle | Turris fortis mihi Deus | God is a tower of strength to me |
| McGuinness | Sola salus servire Deo | To serve God is the only salvation |
| McGuire | Justitia et fortitudo invincibilia sunt | Justice and fortitude are invincible |
| McHugh | Justitia et fortitudo invincibilia sunt | Justice and fortitude are invincible |
| McInerney | Vincit veritas | Truth conquers |
| MacIntosh | -- | Touch not the cat bota (without) a glove |
| McIntyre | Per ardua | Through difficulties |
| McKay | Manu forti | With a strong hand |
| McKee | Manu forti | With strong hand |
| McKenna | Prudentia et honor | Prudence and honour |
| McKeown | Semper eadem | Always the same |
| McKenny | Vincit veritas | Truth conquers |
| McKenzie | -- | Always faithful |
| MacKenzie | -- | I mean well |
| McKenzie | -- | Truth will prevail |
| MacKenzie | In utrumque paratus | Prepared for both |
| MacKenzie | Perseverando | By perservering |
| MacKenzie | Sic itir ad astra | This is the way of the stars |
| MacKenzie | Sine macula | Without stain |
| MacKenzie | Virtute et valare luceo non uro | By virtue and valour I shine, but do not burn |
| MacKenzie | Virtute et valore | By virtue and valour |
| McKenzie | Vive ut vivas | Live that you may live forever |
| Mackintosh | -- | Touch not the cat bota (without) a glove |
| Mackintosh | -- | Touch not the cat, but a glove |
| McLoughlin | Cuimnig ar do geallamnaca | Remember your promies |
| McLysaght | -- | Help from God |
| MacLachlan | Fortis et fidus | Brave and trusty |
| McLachlan | Fortiter | Boldly |
| McLaughlin | Fortis et fidus | Brave and trusty |
| MacLeod | -- | Hold fast |
| MacLeod | -- | I ruke while I see |
| McLoskey | Sica inimicis | A dagger to his enemies |
| McMahon | Sic nos sic sacra tuemur | Thus we guard our sacred rights |
| McManus | Cor et manus | Heart and hand |
| McMillan | Miseris succurrere disco | I learn to succour the unfortunate |
| MacMullen | Fortis atque fidelis | Brave and faithful |
| McNally | Pro Deo, pro patria, et lege | For God, my country and the law |
| McNamara | Firmitas in caelo | Stability in heaven |
| McNeill | Per virtutem scientemque | By courage and knowledge |
| McNulty | Merito | With merit |
| McNulty | -- | Deserving |
| MacNaghten | -- | I hope in God |
| McNair | Labor omnia vincit | Work wins everything |
| MacNamara | Virtute et valore | By virtue and valour |
| McNeagh | Per ardua | Through difficulties |
| McNeill | Vincere aut mori | Either conquer or die |
| McNevins | Vive sperandum | Life hope |
| MacPherson | -- | Touch not the cat bota (without) a glove |
| MacPherson | -- | Touch not the cat, but a glove |
| McQuillan | Pro patria | For my country |
| MacQueen | -- | Constant and faithful |
| MacQueen | Que sursum volo videri I would see what is above | -- |
| McRory | Res non verba | Facts not words |
| MacSwean | -- | By the providence of God |
| McVeigh | Per ardua | Through difficulties |
| Sources: Fairbairn's Book of Crests of the Families of Great Britain and Ireland (1993, Baltimore: Genealogical Publishing Co, Inc.) and The General Armory of England, Scotland, Ireland, and Wales by Sir Bernard Burke (1996, Heritage Books: Bowie MD) | ||
