This is a list of surnames in which the description contains the keyword saint.
AquinoItalian, Spanish From the name of an Italian town near Rome, derived from Latin aqua meaning "water", the home town of the 13th-century saint Thomas Aquinas. In Italy the surname is derived directly from the town's name. As a Spanish-language surname, it was sometimes bestowed by missionaries in honour of the saint as they evangelized in Spanish colonies.
KappelGerman, Dutch Name for a person who lived near or worked at a chapel, ultimately from Late Latin cappella, a diminutive of cappa "cape", arising from the holy relic of the torn cape of Saint Martin, which was kept in small churches.
KavanaghIrish Derived from the Irish Gaelic name Caomhánach, which means "a student of saint Caomhán". It was the name used by a 12th-century king of Leinster, Domhnall Caomhánach, the eldest son of the historic Irish king Diarmait Mac Murchada.
KilpatrickIrish From the Irish Mac Giolla Phádraig meaning "son of the servant of Saint Patrick".
LoyolaSpanish, Basque From the name of a place name near the town of Azpeitia in the Basque Country of Spain, derived from Basque loi meaning "mud". This was the birthplace of Saint Ignatius of Loyola (1491-1556), the founder of Jesuits.
MaloneIrish Anglicized form of Irish Ó Maoil Eoin meaning "descendant of a disciple of Saint John".
NicolosiItalian From the name of the town Nicolosi on Sicily, itself named for Saint Nicholas.
Ó Maol AodhaIrish Means "descendant of a follower of Saint Aodh". It is derived from Irish maol meaning "follower, servant".
SantanaSpanish, Portuguese From any of the numerous places named after Saint Anna. A famous bearer is the Mexican-American musician Carlos Santana (1947-).
SantosPortuguese, Spanish Means "saint" in Portuguese and Spanish, ultimately from Latin sanctus. This was a nickname for a pious person.
SempersEnglish From the name of various towns named Saint Pierre in Normandy, all of which commemorate Saint Peter.
SidneyEnglish Originally derived from various place names in England meaning "wide island", from Old English sid "wide" and eg "island". Another theory holds that it comes from the name of a town in Normandy called "Saint Denis", though evidence for this is lacking.
VieiraPortuguese Denoted a person who came from a Portuguese town by this name, derived from vieria meaning "scallop". The scallop was a symbol of Saint James, and was traditionally worn by pilgrims to the shrine of Santiago de Compostela in Galicia.