Season 2 Episode 4: Alex tells Jay about Ms. Ophelia, a sociologist and writer who who stood on the fringes of the Harlem Renaissance and rubbed shoulders with many key players.
Season 2 Episode 2: Alex tells Jay about Mary Mahoney, the first African American woman to be formally trained as a nurse.
Also, a small correction: in this episode, Alex refers to the Dred Scott case. She meant the Plessey v. Ferguson case, wherein the Supreme Court's decision lead to the idea of "separate but equal."
Season 2, Episode 1: Jay tells Alex about Suor Maria Celeste, a nun of the impoverished Order of St. Clare of Assisi who was industrious, surprisingly well educated, and whose records survived because she happened to have a famous father.
Jay tells Alex about Marcela Gracia Ibeas and Elisa Sánchez Loriga, who, through elaborate deception, became the first same-sex couple to be married by the Catholic Church.
Alex tells Jay about Elizabeth Freeman and Oney Judge, two women born enslaved, who freed themselves around the time of the American Revolution.
Jay tells Alex about three heroic women-of-the-army, all nicknamed Molly, from the American Revolutionary War.