WikiName says: The name Jeffrey is a variation on the name Geoffrey, which originates from the Middle English Geffrey and stems further back to the Old French Geoffroi. The name is suggested to stem from various German names including Gaufrid, Walahfrid and Gisfrid. The name Gaufrid is a combination of govja meaning "a district" and frithu meaning "peace." The name Walahfrid is a combination of valha meaning "traveler" and frithu meaning "peace." The name Gisfrid is a combination of gis meaning "pledge" and frithu meaning "peace." The Gaelic forms of Geoffrey are "Sieffre" and "Seathrun" from Seafra and Seafraid meaning "God's peace." Edna - Ottawa Healthy New Year to all