United States Census of 1910 - IPUMS Subset

United States, 1910

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Reference ID

USA_1910_PHC_v01_M_v7.5_A_IPUMS

Producer(s)

Department of Commerce and Labor, Bureau of the Census, IPUMS

Metadata

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Created on

Sep 03, 2025

Last modified

Sep 03, 2025

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Rule for linking mother (US1910A_MOMRULE)

Data file: USA1910_PHC-P-H

Overview

Type: Discrete

Start: 289

End: 289

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)
5	Daughter/grandchild (child surviving status)
6	Preceding female (child surviving status)
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

This variable reports why the NAPP variable US10A403 linked the person to a probable mother. The NAPP establishes mother-child links according to seven basic rules, and this variable reports the number of the rule for the link in question. If a link could be made according to more than one rule, the lowest-numbered rule was applied.

Universe

United States 1910: All persons

concept

Concept

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