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MOMLOC2
Second mother's location in the household
Return to Family Interrelationship variables list

Description

MOMLOC2 is a constructed variable that indicates whether the person has two mothers who live in the same household and, if so, gives the person number of the second mother (PERNUM). This variable is only non-zero when the parents identified for a child are both women. The method by which probable child-mother links are identified is described in MOM2RULE.

MOMLOC2 makes it easy for researchers to link the characteristics of children and their (probable) mothers.

If the person identified with MOMLOC2 has a spouse or partner identified through SPLOC, the spouse or partner will also be identified as a parent through MOMLOC. MOMRULE will communicate the method through which those relationships are identified.

In 2017, the family interrelationship variables for samples from 1970 to present were revised to increase comparability across IPUMS projects and include same-sex couples. Many researchers who are familiar with the previous version of family interrelationship variables will find it useful to read a brief overview of the key differences of the New IPUMS Family Interrelationship Variables. On this page you'll find information on how family interrelationship variables are constructed, common uses of these variables, and specific examples of how these variables can be used efficiently.

Samples prior to 1970 do not link same-sex couples or same-sex parents, so MOMLOC2 does not exist prior to 1970.

  • User Caution: MOMLOC2 identifies social relationships (such as stepmother and adoptive mother) as well as biological relationships.

The previous version of MOMLOC and other IPUMS pointer variables are available here.