Arthur ✓ sourced (B)
Traced to a written source — see below.
Mechanism: phonetic · Regions: US, AU
What it stands for
→ Athanasios (Αθανάσιος), whose name day you can subscribe to.
A documented diaspora substitution (Athanasios→Arthur, Nicholas 2017); sound-echo Athan-→Arth-. Source does not detail the exact mechanism.
Sourced (✓) aliases are traced to a written source we can cite. Reported (🗣) aliases are shown for reference but not yet corroborated.