Could this be the family?
1 Oct.1903 "Mongolian" arrived New York from Londonderry, Ireland
Mrs. S. Alexander 75? [hard to decipher, could be 45?]
Master Tom Alexander 11y 6mo schoolboy
Miss Ella Alexander 9y 6mo schoolgirl
all U.S. citizens from Dromore going to Scranton, Penn.?
Looks like Ella returning to U.S. after 1911 census-
2 Oct.1911 "Caledonia" arrived New York from Londonderry, Ireland
Ella Alexander 18 U.S. Born (Brooklyn, N.Y.)
father- Mr. Skelton? Alexander of West Nyack NY
www.ellisisland.orgThomas Alexander, born 24 May 1891 Manhattan, N.Y., son of Skelton C. Alexander and Mary Alexander
Ellen Alexander, born 22 Feb.1893 Brooklyn, Kings, N.Y., son of Skelton Alexander & Mary Lydon
Frederick Alexander, born 22 Feb.1894 Brooklyn, Kings, N.Y., son of Skelton Alexander and Mary I. Lydon
www.familysearch.org