The IGI (International Genealogical Index) - Its Meaning and Use

The International Genealogical Index, also known as IGI,There is even submitted data by LDS members on
is a method of organizing data from vital, church andancestors and organized into batches. With LDS
civic records on individuals dating back hundreds ofsubmitted records you can also just place a surname,
years, most before 1900. The data collected was fromnext a region and / or state and then a search can be
their "Controlled Extraction Program" which started inperformed. Always view the 'message' section with
1969 using actual formal records from chiefly theeach viewed individual to see the source information. If
United States, Europe and Canada.your ancestor has a very unusual given name (Arvilla,
However, many other locations in the continents ofCristobal, Euphemia or Llewellyn) it can be placed along
Asia, South America and Africa are being added. Thiswith a region name into the search instead of a
is a painstaking transcribing process which does take asurname.
long time and then needs to be indexed. It is usedWhen you do find a match, view the listing for parents
primarily by the Family Search program of the Churchand / or spouse to see if that matches with what
of the Latter-Day Saints (LDS) in their main Library ininformation you already had discovered. If you are
Utah, their Family Search web site and with theirunsure, write the information down but placing a
thousands of Family History Centers across the globe.question mark or note to yourself that it will need extra
It can really help you tap into some new areas ofinvestigation.
information on your ancestors but you should be madeWhether the IGI records were extracted from a
aware there is a few tricks to its usage. First, you canchurch or civic record or submitted by a LDS member,
not search just by a surname. A full name must bethe information on these 286 million individuals should
used. If only a surname is known and a generalstill be considered 'secondary source', in other words,
location then using the batch numbers maybe ofsomeone's use of a primary source. In such cases
further assistance. You can check though the IGI for allthere is plenty of room for errors and omissions in
mentions of the family surname within a specificnames or dates. So always check with other sources
church parish or civic record.any dates, names or locations discovered using the IGI.
What are batch numbers? The vast array of the IGIAlso you can request through the Family History
records are categorize into 'batches'. Each batch isCenter the loan of the microfilm from which that IGI
based on when and where the original information wasrecord came from. Reviewing that original record on
located. So if you were looking for an ancestor whosefilm will help determine if there were any omissions and
hometown was Hanover, York County, Pennsylvania,possibly provide some extra information.
you would first start with the correct batch numbersDon't despair if nothing is located right away on a
for that locality. For births / christenings the batchparticular ancestor using the IGI. The LDS has
numbers for York County run from C506861 tomicrofilmed many christening and marriage records
C506881 and cover 1733 to 1875.from church parishes however many were not
For marriages the batch numbers run from M506861extracted and indexed for the IGI. The microfilm of
to M506881 and cover 1735 to 1878. Note the numbersthose original records (even if not on the IGI) is still
are the same, just a 'C' for christenings and 'M' foravailable on loan at a local Family History Center.
marriages. After putting in a batch number and aThe use of the International Genealogical Index should
region (example: North America) to the IGI search box,be considered as an index only, not a primary source
just a surname can be placed and then a search willunto itself. It can conceivably provide a clue of other
reveal any matches.sources to help verify what your have gathered.