I can find no reference to a saint named Ella.
No
Ella Eyre's real name is Ella McMahon.
Ella Shields's birth name is Ella Buscher.
Ella Arolovi's birth name is Ella Arolovich.
Ella is a European name, not Asian. So there simply is no Japanese name that correlates with 'Ella'.
" Umbrella " is the meaning of the name Ella.. Because Ella, Ella, eh eh .. Under my Umbrella..
Ella Raines's birth name is Ella Wallace Raines.
Ella Sinise's birth name is Ella Jane Sinise.
Ella Neal's birth name is Ella Lucile Neal.
Ella Nekrasova's birth name is Nekrasova, Ella Georgiyevna.
Ella Hall's birth name is Ella August Hall.
Ella Vaulchikova's birth name is Ella Petrovna Vaulchikova.
Ella Wahlestedt's birth name is Ella Linnea Wahlestedt.