Jeffrey is a name of English origin, derived from the Germanic name Godfrey, which was composed of the elements 'gefu' meaning 'peace' and 'fridu' meaning 'peace'. The name Jeffrey has been in use since the Middle Ages but gained significant popularity during the late 20th century. It reached its peak popularity in the United States during the early to mid-1980s, ranking among the top 150 most popular names for boys during that period.
The name Jeffey experienced peaks in popularity between 1957 and 1962, with a notable spike of 10 births in 1967. After 1970, the number of births steadily decreased, reaching its lowest point in 1985 with only 5 births. The total number of births named Jeffey over this period is 149.