Meaning and Name Origin
Algernon \a-lger-non, al-ge-rnon\ as a boys' name is of Old French origin, and the meaning of Algernon is "wearing a mustache". The Normans were usually clean-shaven, and this was a nickname for William de Percy, a companion of William the Conqueror. It was revived in the 15th century for his descendant Henry Percy, and adopted into other families connected to them. Oscar Wilde used it for a brainless fop in "The Importance of Being Earnest". Algy and Algie are pet forms. English poet Algernon Swinburne.
Algernon is an uncommon first name for males. Algernon is a unique surname too for all people. (2000 U.S. Census)
Below is a graphed comparison of the usage of the boy name Algernon and corresponding names. Prominent varying forms of Algernon (#unlisted) are Al and Algie. Adoption of these boy names reached its most widespread during the years 1880-1889 and is now significantly lower, with the version Al becoming less in vogue. (Top 1000 Birth Names Statistics, 2014)