Longitudinal and intergenerational data set that is representative of Mexican Americans living in San Antonio City and Los Angeles County in 1965. Consists of 3 parts; the original survey in 65-66, a follow up interview of the original respondents under age 50 completed in 1998-2002 and a sample of their children, also done in 98-02. The data are linked by family where there is 1 original respondent and 0-2 children in each family. Follow up to The Mexican American Study Project, 1965-1966.