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    Home / Central Data Catalog / IRL_1911_PHC_V01_M_V7.5_A_IPUMS / variable [P]
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Census for Ireland for the Year 1911 - IPUMS Subset

Ireland, 1911
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Reference ID
IRL_1911_PHC_v01_M_v7.5_A_IPUMS
Producer(s)
The National Archives of Ireland, IPUMS
Metadata
DDI/XML JSON
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Created on
Sep 03, 2025
Last modified
Sep 03, 2025
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214
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  • IRL1911_PHC-H-H
  • IRL1911_PHC-P-H

Person number (PERNUM)

Data file: IRL1911_PHC-P-H

Overview

Type: Continuous
Start: 30
End: 33
Width: 4
Range: -
Format: Numeric

Description

Definition
PERNUM numbers all persons within each household consecutively (starting with "1" for the first person record of each household). When combined with SAMPLE and SERIAL, PERNUM uniquely identifies each person in the IPUMS-International database.

concept

Concept

Imputation and derivation

Derivation
PERNUM is a 4-digit numeric variable.
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