Where does “Paulie” come from?

Paulie is an English diminutive formation from Paul, which derives from Latin Paulus, ultimately tracing through Latin -ia and -ivus suffixes to Proto-Indo-European -kos.

Ancestry of “Paulie”, step by step

Paulie traces back through two separate lines of ancestry.

via English paul

Step	Language	Word	Meaning
1	English	paul	An old Italian silver coin; a paolo; Archaic form...
2	Ancient Greek	Παῦλος	Paul, a common Roman name, famously held by Paul, the Christian apostle
3	Latin	paulus	little, small
4	Latin	paullus	—

via English ie

Step	Language	Word	Meaning
1	English	ie	Alternative form of i.e

Every word from Latin paullus →Every word from Latin paulus →Every word from Ancient Greek Παῦλος →