The spelling of the surname Shepperson can be traced back to its phonetic components. The initial "sh" sound is represented by the IPA symbol /ʃ/. The following "epp" sound is spelled with the grapheme "e" followed by the consonant pair "pp", which represents the "p" sound with a short pause before the next "p". The final "erson" component includes the IPA symbol /ɜr/ for the "er" sound, followed by "s" and "on." These components come together to form the unique spelling of Shepperson.