Amanda
Olivia
Tahlia
Kayla
Sharla
Fiona
Jessica
Amelia
Lisa
Alyssa
Emma
Patricia
Louisa
Chiara/Kiara
Paula
Francesca
Gloria
Michaela
Krista
Mia
Ava
Olympia
Daniela
Zara

many female Latin (Italian/Spanish) names end in 'a'

Boys are harder, though there's heap of biblical names ending in 'a' or 'ah'
Joshua
Micah
Sasha
Josiah
Noah
Elijiah
Indiana
Indra
Mischa
Obama
here's an interesting one: Yoda