What does Arch mean?
Arch /arch/ [1 syll.] as a boys' name is of Old French and Old German derivation, and the name Arch means "genuine, bold, brave". Arch is an alternate spelling of Archibald (Old French, Old German). Compare last name Arocho.
How popular is Arch?
Arch is a rare given name for men but a very popular surname for both adults and children (#19090 out of 150436, Top 13%). (2000 U.S. Census)
Shown below is the birth name popularity of Arch for boys. Arch reached its apex position of #265 in the U.S. then, but is not in the Top 1000 at the moment. (2014 Birth Statistics)
Below is a graphed analysis of the popularity of the boy name Arch and related names. Archer (#303 a year ago), Archibald and Archie are the prominent varying forms of Arch rated in the Top 1000. Forms like Archaimbaud are uncommon. These boy names were at the top of their popularity during 1880-1889 (usage of 0.6323%) and are now much less popular (usage 0.1743%, down 72.4%), with the versions Arch, Archibald and Archie becoming less in vogue. Archer (#303) is the most trendy birth name among these, and there is a rekindling in baby name usage for this name. (2014 Birth Statistics)