I would suggest Elena. Both originate from the name Helene--Elena is Spanish and Eileen is Gaelic for Helen.
It can be "Elena".
Elena
Hélène is the French spelling for the first name Ellen
The name of trampolines in spanish is "Trampolin"
Tunapuna is not a typical Spanish name, no.
There is no Spanish equivalent for that name.
"First name" (or simply "name") in Spanish is "nombre". "Last name" is "apellido".
It's the same... Most names (that I know of) in spanish are the same as english. The spanish word for Ellen is just Ellen.
Ellen Corby's birth name is Hansen, Ellen.
Ellen Lowe's birth name is Ellen Crotty.
Ellen Seltz's birth name is Ellen Lee.
Ellen Sinding's birth name is Ellen Buttedahl.
Ellen Adelstam's birth name is Ellen Adolfstam.
Ellen Auerbach's birth name is Ellen Rosenberg.
Ellen Bergman's birth name is Ellen Hollender.
Ellen Niit's birth name is Ellen Hiob.
Ellen Hargitay's birth name is Ellen Siano.
Ellen McQuaid's birth name is Ellen Humphreys.
Her birth name is Ellen Lee DeGeneres.