This study examined the relation between family communication patterns (FCP) and mothers' marketplace motivations, attitudes, and behaviors (MAB). Adolescents' prediction accuracy of mothers' consumption motivations was also investigated. Results indicate mothers' materialistic and shopping tendencies, advertising attitudes, information use, and consumption motivations are linked to FCP. Adolescents' predictions of mothers' consumption motivations coincided with mothers' self‐reported motivations. The findings suggest that FCP may play a role in the acquisition of marketplace MA