The good thing is that when these Immigrant Ancestors are found, corrections can be made in Ellis Island Records.
That first letter of sister's name could be an E or C. The ship's clerk certainly liked making curlycues. He made his E's (Elizabeth NJ example) and C's (Clinton NJ example) exactly the same. It was a short name.
As per manifest, this Olena was also naturalized. 1-345277-6/25/41