Name File Type Size Last Modified
combined_1900_1920.zip application/zip 447.5 MB 07/12/2021 12:35:PM
combined_1910_1920.zip application/zip 802.5 MB 07/12/2021 12:38:PM

Project Citation: 

Buckles, Kasey, and Price, Joseph. Census Tree Links. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2021-07-12. https://doi.org/10.3886/E144904V1

Project Description

Summary:  View help for Summary The data sets in this repository allow users to link people among the U.S. decennial censuses, using the "histid" identifier. The census data sets users will need are indexed by Ancestry.com and are hosted by IPUMS at https://usa.ipums.org/usa-action/samples. Users will need to download the full-count census for each year and be sure to select the "histid" variable that is available under the Person/Historical Technical drop-down menu.

As of 7/12/21, links are available between the 1900-1910, 1910-1920, and 1900-1920 censuses.

A detailed account of how these links are created and a description of the data and its characteristics are available in the following article:

Price, J., Buckles, K., Van Leeuwen, J., & Riley, I. (2021). Combining family history and machine learning to link historical records: The Census Tree data set. Explorations in Economic History80, 101391.
https://www.sciencedirect.com/science/article/pii/S0014498321000024
Funding Sources:  View help for Funding Sources Russell Sage Foundation (G-1063)

Scope of Project

Geographic Coverage:  View help for Geographic Coverage United States
Time Period(s):  View help for Time Period(s) 1900 – 1920


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This material is distributed exactly as it arrived from the data depositor. ICPSR has not checked or processed this material. Users should consult the investigator(s) if further information is desired.