St. Flannan, December 18
An Irish monk of the seventh century, Flannan was the son of a local king and became the first bishop of Killaloe, in County Clare. The Flannan Isles off Scotland are named after him. Little else is known for certain of his life.
December 18 has no celebration on the General Roman Calendar, so this page follows the Roman Martyrology, which remembers Saint Flannan, bishop on this date.
Other saints on December 18
- St. Gatian, first bishop of Tours (3rd century)
Name days on December 18
In countries that keep name days, December 18 is the day for people named Flannan.
| Name | Feast day |
|---|---|
| Flannan | December 18 |
December 18 on the calendar
December 18 is the 352nd day of the year (the 353rd in a leap year), with 13 days left until December 31. Here is the day of the week it falls on in the coming years:
| Year | Day |
|---|---|
| 2026 | Friday |
| 2027 | Saturday |
| 2028 | Monday |
| 2029 | Tuesday |
| 2030 | Wednesday |
Keeping December 18
December 18 falls in the last days of Advent. Since the general calendar has no celebration that day, the Mass is usually that of the weekday of the season, and the saint may be remembered in local calendars or in personal prayer. Families who keep name days often mark the day with a card, a candle or a favorite meal, and parishes named after the saint may hold a festival. If you know someone named Flannan, it is a good day to send a note.
Saints of the week around December 18
| Date | Saint or feast |
|---|---|
| December 15 | St. Nino of Georgia |
| December 16 | St. Adelaide |
| December 17 | St. Olympias |
| December 19 | Bl. Urban V |
| December 20 | St. Dominic of Silos |
| December 21 | St. Peter Canisius |
The day before, December 17, is the day of St. Olympias. The day after, December 19, belongs to Bl. Urban V. Looking for a name? Try the name day calendar or go back to today’s saint.