States’ attempts to translate the messy realities of revolutionary-era coerced mobilities into orderly categories of law were met with efforts to define legal statuses by those forcibly removed. Focusing on revolutionary-era political refugees, the chapter shows how governments’ responses led to a proliferation of so-called alien laws across the Americas and Europe and how, despite their seemingly universal and neutral character, these laws reflected the ambiguous status and multiple mobilities during this period. As can be seen in a major legal battle involving a family of refugees of Haitian origin in Jamaica, the regulation of alien status had long-standing ramifications during a period in which the terms of political membership and state belonging were in full transformation across the Atlantic world. Both in mundane administrative interactions and legal battles, refugees engaged with the law and sought to shape and negotiate their status. In doing so, they could also rely on “vernacular” uses in other relevant branches of the law, such as legal distinctions governing freedom and slavery. As with freedom, belonging was not just granted or asserted by state authorities but could also be claimed and recrafted by those who sought it.