
On September 6, 1870, a major milestone in American democracy occurred in Laramie, Wyoming. Louisa Swain, a resident about seventy years old, became widely recognized as the first woman to legally cast a ballot in a U.S. general election since women in New Jersey lost the vote in 1807. She voted after Wyoming’s territorial legislature enacted a landmark suffrage law in December 1869, guaranteeing women the right to vote and hold public office on equal terms with men.
Swain’s ballot marked a sharp break with the prevailing legal order of nineteenth-century America, in which women were almost universally barred from the franchise. Women had voted earlier in New Jersey under that state’s gender-neutral but property-based voting rules; unmarried women who met the property requirement could participate. In 1807, however, New Jersey restricted voting to tax-paying white male citizens, ending women’s voting rights there for more than a century.
Wyoming’s law therefore represented something different: an explicit legal commitment to equal suffrage. Swain’s quiet trip to the polls offered an early public demonstration that women could vote without the disruption opponents had predicted. Her vote was not an isolated event—women across the territory participated in Wyoming’s 1870 election—but it became the most enduring symbol of the day.
Wyoming’s example later gave national suffrage advocates a powerful precedent. When congressional debate over Wyoming statehood raised objections to the territory’s commitment to women’s voting rights, Wyoming leaders reportedly responded that they would remain outside the Union for a hundred years rather than enter it without woman suffrage. Wyoming joined the Union in 1890 with women’s voting rights intact, three decades before the Nineteenth Amendment barred states from denying the vote on the basis of sex in 1920.
Swain’s morning vote in Laramie did not by itself create nationwide suffrage, but it helped demonstrate that equal voting rights could operate in practice. Nearly fifty years later, that principle became part of the U.S. Constitution.
Image via Wikimedia Commons, public domain.

