Below, you will find links to some free and valuable online resources for genealogical research. 

Ancestry.Com

https://www.ancestry.com/

Find A Grave

https://www.findagrave.com/

Family Search

https://www.familysearch.org/en/

National Archives

https://www.archives.gov/research/genealogy

Katherine R. Wilson

https://socialmediagenealogy.com/

Ellis Island: New York City History

https://www.yourlawyer.com/library/new-york-city-history-ellis-island/