The name Ariella is a girl's name meaning "lion of God". Ariella is ranked #295 on our popularity charts and is often added to lists like Mystical Names and discussed in our forums with posts like "Adding Then Eliminating -- Girls Themed".
From the experts:
This variation of Ariel, with the extra-feminine suffix, has been on the rise in recent years. It entered the Top 1000 in 2008.