To better understand the social consequences of State constitutional amendments limiting legally recognized marriage to that between one man and one woman, this study examines interactions between members of same-sex couples and their extended social network members (e.g., work colleagues or friends of friends who are not considered to be close friends or family). Fifty-seven same-sex couples in seven U.S. states participated in interviews about their interactions with extended social network members regarding marriage amendments. Four themes describe these interactions: coming out, social support, solidarity, and disconfirmation. The results suggest that interactions with extended social network members can create or mitigate negative social consequences in same-sex couples’ experience of marriage amendments.