Guernsey Family History
Guernsey Name Meaning
English (southern): habitational name from the island of Guernsey in the Channel Islands. The name of the island is from the Old Norse ey ‘island’ with an uncertain first element perhaps the male personal name Grani in the genitive case with original -ar or from a genitive case form of grǫn ‘pine’. This surname is now rare in Britain.
Source: Dictionary of American Family Names 2nd edition, 2022