Like his father he had a reputation for eccentricity and bad temper: during the trial of Daniel O'Connell he challenged one of the opposing counsel,
Gerald Fitzgibbon, to a
duel, for having allegedly accused him of acting from "private and dishonourable motives". The judges, gravely embarrassed, strongly criticised Cusack-Smith for his actions and persuaded him to drop the matter. To the public, a particularly startling aspect of the matter was that Fitzgibbon's wife and daughter were present in Court throughout. Cussck-Smith's frequent outbursts of ill-temper were attributed by his friends to chronic
indigestion. An admirer described him as having "a touch of genius" but admitted that he was rough and harsh in manner.
Charles Gavan Duffy described him as "dignified" but so unhealthy and ghastly in appearance that he resembled "an
owl in daylight". Daniel O'Connell called him "the
vinegar cruet". == References ==