ForewordPrefaceAcknowledgments1 The Relationships between Religious Assortative Marriage and the Religious Composition of Population Religious Identification as a Familially Ascribed Characteristic in the United States and Other Societies Theories of the Rise of Sects and the Assimilation of Churches Social and Demographic Processes Conditioning Religious Composition in the United States Replacement of Religious Composition through Marital Selection, Fertility, and the Socialization of Children The Study of Assortative Marriage in Demography and Other Disciplines2 Theories of Assortative Marriage Factors Affecting the In-Marriage and Out-Marriage Proportions of Groups Causal Ordering and Specifications Models of Isolated Subpopulations in the Marriage Market Goodman's and Haberman's Models for Square Contingency Tables and Their Application to Marital Selection Tables3 Research Design: Data Sources, Study Populations, Problems of Classification, and Preliminary Analysis NORC, GAF, and DAS Sample Survey Data on Respondents' and Spouses' Religious Origins in the United States Restriction to the White, First-Married, Native Born Population of the United States Comparison of First-Married and Remarried Respondents' Marital Selection Tables Classification of Religious Identification: Logical, Statistical, and Taxonomic Criteria Social Differentials by Religion: SES Order and R Order Preliminary Analysis: Deming's Method of Adjustment4 Parametric Models of Marital Selection Tables The Hypothesis of Symmetry: S More Parsimonious Models: CS, CFS, QO-S, and IS The Algebra of Crossing Parameters: Multiplicative and Additive Scales Models' Goodness of Fit: NORC, GAF, and DAS Total Respondents' Tables Maximum Likelihood Estimates of CS and CFS Parameters and Their Euclidean Geometric Interpretation Representation of the General Marriage Market Model as a System of K Nonlinear Equations in K Unknowns5 Comparisons of Marital Selection Tables Elaboration by Regional Origin Elaboration by Residential Origin Elaboration by Marriage Cohort: National Data Elaboration by Marriage Cohort: Detroit and North Central Data Tests for Changes in Intrinsic Endogamy: National Cohort Data Summary of Findings and Interpretation6 Mathematical Properties of the General Model Existence and Uniqueness of Solution Comparative Statics, I: Algebraic Solutions for the Partial Derivatives of the In-Marriage Proportions in the Two- and Three-Group Cases Comparative Statics, II: Numerical Solutions for the Partial Derivatives of the In-Marriage Proportions, National Cohort Data Extension to Dynamic AnalysisAppendixReferencesSubject Index