What does Barclay mean?
Barclay \b(a)-rc-lay, bar-clay\ as a boys' name is pronounced BAR-klay. It is of Scottish and Old English origin, and the meaning of Barclay is "birch tree meadow". Place name for Berkeley in Gloucestershire, and transferred use of the the Scottish surname, which was taken to Scotland in the 12th century by Walter de Berchelai, who became chamberlain of Scotland in 1165. His descendants became one of the most powerful families in Scotland. This form is most popular in Scotland; Berkeley is more common elsewhere. Barclays is the name of one of the biggest banks in Britain. Basketball player Charles Barkley.
For more information, see also the related boy name Barker.
Barclay is an unusual given name for men but a very prominent surname for both adults and children (#2965 out of 150436, Top 2%). (2000 U.S. Census)
Charted below is the baby name popularity of Barclay for boys. Barclay has yet to make it into the list thus far. (Top 1000 Baby Names Statistics, 2014)