Meaning and Name Origin
Halley \ha(l)-ley\ as a boys' name (also used as girls' name Halley) is of Old English origin, and the meaning of Halley is "meadow near the hall; holy". Different from the homonym Haley. Hallie is popular as a girl's name. Astronomer Edmund Halley.
Halley is a rare first name for men but a very popular surname for both adults and children (#7330 out of 88799, Top 8%). (2000 U.S. Census)
Below is a charted comparison of the popularity of the boy name Halley and corresponding names. The only prominent variation form of Halley (#unlisted) ranked in the Top 1000 is Hallie. This boy name was at the apex of its popularity during 1890-1899 and has become significantly less widespread since, with the version Hallie becoming less stylish. (2014 Birth Statistics)
Halley is alike in pronunciation to Hawley and Hawly. Other suggested similar baby names are Hadley, Hagley, Hale, Hall, Halle, Hallem, Hallen, Hallsey, Hallsy, Halsey, Hanley, Harley▼ and Hayle. These names tend to be more frequently used than Halley.