Gallyon Family History
Gallyon Name Meaning
from the Middle English (Old French) personal names Galian Galien Galion from Latin Galianus or Galienus (male) and Latin Galiena (female). The name was probably sometimes reduced to Galen Galin and Galon. Some of the following early bearers may alternatively belong with (2). see Gallon with which Gallyon was probably confused.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016