The boy's name Allgernon \a-llger-non, al(l)-ge-rnon\ is a variant of Algernon.
The baby name Allgernon sounds like Algernone and Allger. Another similar baby name is Aljernon.
Allgernon is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Allgernon. Click here to compare Allgernon with related baby names.