St. Denis

Who they were

Denis was sent from Rome in the third century as missionary bishop to the Parisii, preached with enough effect to alarm the authorities, and was beheaded with two companions on the city's high hill. Montmartre, the mount of martyrs, still carries the event in its name. Over his tomb rose the abbey of Saint Denis, necropolis of the French kings and birthplace of Gothic architecture, and Montjoie Saint Denis was the kingdom's battle cry for centuries.

The famous image of Denis carrying his own head and preaching as he walks needs explaining rather than defending. Cephalophory is medieval iconography's grammar for a witness that outlasted the death, not a biographical claim, and once you know the convention, a hundred statues across France become legible instead of alarming. The headache patronage grew out of the image by the old association, and it is a real and living devotion: candles have been lit for migraine sufferers in front of him for centuries. His prayers go alongside the neurologist, not instead.

Why people turn to St. Denis

Migraine and chronic headache sufferers, which is an enormous and quietly desperate constituency with very few patrons. St. Teresa of Ávila, who had them badly, is the other name worth knowing. French heritage families.

How to ask their intercession

In the dark room, mid migraine, when long prayers are impossible: one Hail Mary and his name. That is deliberately as short as it gets.