onomasti
1
Nov

Cosmas

A form of Kosmas

Kosmas, in English

the Holy Unmercenaries Cosmas and Damian — kept on 1 November.

This name's day is recorded above, but we can't verify it yet — the sources are single or they disagree. You can still subscribe: the day is in the calendar, and the event itself repeats this caveat. Low risk is not the same as verified.

It keeps the same day as the name it comes from — everything below is that name’s.

Origin

The story of Kosmas

Kosmas keeps 1 Novemberthe Holy Unmercenaries Cosmas and Damian.

Cosmas is kept with Damian as one of the “Unmercenaries” — physicians who healed without payment.

Κοσμᾶς comes from κόσμος“order, world, universe,” the same root as “cosmos.”

“Order, world.”

onomasti · Kosmas

Key facts

Kosmas at a glance

Name day
3 name days are kept — Greek custom keeps them all
This year · 2026
Wednesday, 1 July · Tuesday, 22 September · Sunday, 1 November
Next year · 2027
Thursday, 1 July · Wednesday, 22 September · Monday, 1 November
Meaning
Κοσμᾶς — “order, world”
Patron of
the Holy Unmercenaries Cosmas and Damian

Variations

Forms & nicknames of the name

One name takes many forms — the formal, the everyday, the affectionate, and the spellings that travelled abroad. Each has its own page here, and all share the same day.

Greek forms

English & romanised

Kosmas you are hereCosmas

Know another form?

Missing a form your family uses? Add it — a person reviews every submission before anything is published.