McKenna was awarded the Gold Medal of the Éire Society of Boston, for having "significantly fulfilled the ideals of the Éire Society, in particular, spreading awareness of the cultural achievements of the Irish people."
McKenna foi galardoada coa Medalla de Ouro da Sociedade Éire de Boston, por ter "cumprido significativamente cos ideais da Sociedade Éire, en particular, por ter estendido o recoñecemento dos logros culturais do pobo irlandés."