The bones of the saint are scattered all over Europe and the Middle East in various shrines.
There are a number of saints who were siblings. Here are a few: St. Scholastica and St. Benedict St. Gervase and Protase St. Cosmas and Damian St. Begga and St. Gertrude
Cosmas of Prague died in 1125.
Cosmas Desmond died in 1935.
Cosmas Magaya was born in 1953.
Cosmas of Aphrodisia died in 1160.
Cosmas of Aetolia was born in 1714.
Cosmas Zachos was born in 1951.
Cosmas Batubara was born in 1938.
Cosmas of Maiuma died in 7##.
Cosmas of Maiuma was born in 7##.
Joseph de Veuster (Father Damien of Molokai) was born in Tremelo, Belgium. Not to be confused with St. Damian, the twin brother of St. Cosmas from the 3rd and 4th centuries.
George Cosmas Adyebo died in 2000.