United States Census of 1870 - IPUMS Subset

United States, 1870

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Reference ID

USA_1870_PHC_v01_M_v7.5_A_IPUMS

Producer(s)

Department of the Interior, IPUMS

Metadata

Documentation in PDF DDI/XML JSON

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Created on

Dec 23, 2014

Last modified

Sep 03, 2025

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Rule for linking mother (US1870A_MOMRULE)

Data file: USA1870_PHC-P-H

Overview

Type: Discrete

Start: 244

End: 244

Width: 1

Range: -

Format: Numeric

Questions and instructions

Categories

Value	Category
	No mother link
1	Unambiguous mother link
2	Daughter/grandchild link
3	Preceding female (no intervening person)
4	Preceding female (surname similarity)
7	Spouse of father becomes stepmother

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Description

Definition

Rule for linking mother.

Universe

United States 1870: All persons

concept

Concept

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