Meaning and Name Origin
Alger \a-lger, al-ger\ as a boys' name is of Old English origin, and the meaning of Alger is "elf spear". From Aelfgar. Also possibly from various names meaning "noble, old, temple" and also possibly a short form of Algernon. The name was revived in the 19th century. State Department Official Alger Hiss.
Alger is an uncommon first name for males but a very popular last name for both adults and children (#4235 out of 88799, Top 5%). (2000 U.S. Census)
Below is a graphed comparison of the usage of Alger and corresponding names. Popular varying forms of Alger (#unlisted) listed in the Top 1000 are Al and Algie. Adoption of these boy names was at its peak during 1880-1889 and is now significantly less, with the version Al becoming less stylish. (2014 Birth Statistics)
A recommended similar baby name is Alter. Like Alger, this name is not frequently used.