No likeness on file
Trésain
6th century Irish missionary to France, and saint
SaintPre-congregation
Born
—
unknown
Died
550
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
Saint Trésain (French pronunciation: [tʁe.zɛ̃]; or Tressan, Tresanus; 6th century) was an Irish missionary in France.
Summary from Wikipedia (CC BY-SA 4.0), until this page is written up in full.
The miracles
Limited information available on this saint.
Why that counted as sanctity
Limited information available on this saint.