What does Willoughby mean?
Willoughby \wi-llough-by, will(ou)-ghby\ as a boys' name is of Old English origin, and the meaning of Willoughby is "willow farm". Place name. In early England, willows were an important part of the agriculural economy as their pliable branches could be woven into baskets.
Willoughby is a rare given name for men but a very popular surname for all people (#2075 out of 88799, Top 2%). (2000 U.S. Census)
Shown below is the birth name popularity of Willoughby for boys. Willoughby has not made it into the list thus far. (Top 1000 Baby Names Statistics, 2014)