The expatriation act of 1907, marital assimilation, and citizenship-based intermarriage in the U.S.

Abstract

ABSTRACT As both a marriage act and an immigration act, the Expatriation Act of 1907 restricted U.S. women’s freedom of marriage by stating that marrying aliens would lead to loss of U.S. citizenship. To study the effects of the Expatriation Act, I conduct a statistical analysis using 1910 full-count U.S. census data. I find that the Expatriation Act of 1907 generated significantly negative effects on intermarriage between American women and foreign-born men, particularly noncitizens. In particular, I find that it was the citizenship, rather than men’s non-U.S. origin, that accounted for the negative effects of the Expatriation Act of 1907 on intermarriage. These results show a decline in male immigrants’ marital assimilation, and potentially social and economic assimilation. As for the magnitude, the effects were large: the decline in intermarriage was at least 15 percent relative to the pre-Act intermarriage rate. Besides these main results, selective emigration to Canada and Europe driven by intermarriage cannot explain the main empirical results of the paper. The Expatriation Act of 1907 also had no significant effects on women’s entry into the marriage market. Finally, the effects of the Expatriation Act of 1907 on intermarriage were heterogeneous by family immigration background, but less so by geographic region.