Picture: GFreihalter · CC BY-SA 3.0 · Wikimedia Commons
Helier
6th century ascetic hermit, is patron saint of Jersey
SaintPre-congregation
Feast: 16 July (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
500
Died
555
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
Helier (died 555) was a 6th-century ascetic hermit. He is the patron saint of Jersey in the Channel Islands, and in particular of the town and parish of Saint Helier, the island's capital. He is also invoked as a healing saint for diseases of the skin and eyes.
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.