NWIGS recommends these research websites:

Indiana State Library Genealogy Section
An online SEARCHABLE index to Indiana Marriages 1816-1850 -
Porter county Included for 1836 - 1850.

South Suburban (Chicago, Illinois area) Genealogical and Historical Society
serving south Cook and north Will counties.

Porter Co. INGenWeb
Another link leading to Porter Co. INGenWeb If one does not work, try the other. Devoted exclusively to Porter county research.

Lake Co. IN GenWeb
Devoted exclusively to Lake county research.

INGenWeb
Indiana Genealogy Web - All Indiana counties accessible-links for
Rev. War, Civil War, Biographies, Bible records etc. etc.

USGenWeb
United States Genealogy Web - Every county in every state is accessible from this site.

Firstmom's Genealogy Resources and Records
Other links to online records and information, categorized by country, state, topic etc.

Ancestry.com
Searches include Social Security Death Index, Library of Congress, Census indexes, early american marriages, births, deaths, over 500 million surnames and more.