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Pennsylvania 1910 Miracode Index
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Pennsylvania 1910 Miracode Index


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e.g. Chicago, Illinois, USA

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e.g. pilot or "Flying Tigers"
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Source Information

Ancestry.com. Pennsylvania 1910 Miracode Index [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2000. Original data: Pennsylvania Miracode. Washington, D.C.: National Archives and Records Administration.

About Pennsylvania 1910 Miracode Index

This database is an index to the 1910 U.S. Federal Census for the state of Pennsylvania. The 1910 Miracode indexes record the following information for each person: name, relationship to head of household, color or race, age at last birthday, marital status, visitation number or family number, place of birth, county, township, and enumeration district number. The information found here will lead researchers to the location of their family in the actual 1910 U.S. Federal Census Schedules.

Miracode is a slightly modified version of the Soundex indexing format. Miracode and Soundex are indexes based on the pronunciation of a name, rather than the name's spelling. Surnames are coded and then arranged numerically by their codes. Miracode system was used only for 1910 for the following states: Alabama, Arkansas, California, Florida, Georgia, Illinois, Kansas, Kentucky, Louisiana, Michigan, Mississippi, Missouri, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and West Virginia. For more information, see the following article in Ancestry's reference library: http://www.ancestry.com/library/view/news/articles/2253.asp

The omission rate in the 1910 Miracode/Soundex appears to be greater than in most other indexes. Not everyone enumerated on the 1910 census schedules is on the Miracode indexes, as some names were missed or misread by the indexer. It is especially advisable for researchers to continue a search in the actual schedules, even when a name fails to appear in an index.


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