Meaning and name origin
Arch \a-rch, ar-ch\ as a boy's name is of Old French and Old German origin, and the meaning of Arch is "genuine, bold, brave". Arch is a variant of Archibald (Old French, Old German): brought to Britain with the Norman Conquest, and popular largely in Scotland, where it is used as the English version of Gaelic Gilleasbaig. Somewhat scarce as a name for boys.
Arch is not a popular first name for males but a very popular surname or last name for all people (#20407 out of 88799, Top 23%) (Source: 2000 U.S. Population Census).
Displayed below is the baby name popularity of the name Arch for boys. Arch reached its highest rank of #265 in the U.S. in 1880-1889 (Source: 2014 Birth Name Statistics).
Displayed below is a comparison of the popularity of the boy name Arch and its source form. Popular variation forms ranked in the Top 1000/100 are Archibald and Arch. (Source: 2014 Birth Name Statistics).