Thessalonikeus identifies people as Thessalonians or as coming from Thessalonica.

The term marks people in connection with Thessalonica: groups addressed as an assembly or identified alongside others, and one individual described as being from Thessalonica.

1. People identified with Thessalonica · dominant

   The genitive plural form identifies the assemblies addressed in 1 Thessalonians 1:1 and 2 Thessalonians 1:1 and identifies Aristarchus and Secundus among those accompanying Paul in Acts 20:4; the APB renders these clauses with “the Thessalonians” and “of the Thessalonians.” In Acts 27:2, the genitive singular form identifies Aristarchus in the travel narrative, where the APB renders him as “a Macedonian from Thessalonica.”

   1 Thessalonians 1:12 Thessalonians 1:1Acts 20:4Acts 27:2

In the Anselm Project Bible: The APB presents the plural occurrences as “the Thessalonians” or “of the Thessalonians,” while Acts 27:2 describes Aristarchus as “from Thessalonica.” These renderings show the clauses' presentation rather than a fixed English equivalent.