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Bishop · Remembered on December 18

St. Flannan

St. Flannan is remembered on December 18 in Bless’s calendar of saints.

Remembered onDecember 18
TitleBishop
Diedc. 640
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Life

An Irish monk of the royal house of Thomond, pilgrim to Rome and first bishop of Killaloe, remembered as a preacher who crossed to the isles — the remote Flannan Isles of the Hebrides bear his name and the ruins of his chapel — and for the blessing he left on his people’s land and cattle.

In the calendar

The upcoming dates, through December 31, 2028, when Bless’s Today screen shows St. Flannan. Where the US calendar keeps another celebration that day, it is named instead and no rank is given.

DateIn the US calendarColorMass readings (US)
Friday of the Third Week of AdventVioletJeremiah 23:5-8 · Psalm 72:1-2, 12-13, 18-19 · Matthew 1:18-25
Saturday of the Third Week of AdventVioletJeremiah 23:5-8 · Psalm 72:1-2, 12-13, 18-19 · Matthew 1:18-25
Monday of the Third Week of AdventVioletJeremiah 23:5-8 · Psalm 72:1-2, 12-13, 18-19 · Matthew 1:18-25

Readings

Reading citations through May 31, 2027 are as published in the USCCB liturgical calendar. Later citations were computed by Bless from the US Lectionary cycle — confirm with your parish.

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