Theodosia Burr Alston (June 21, 1783 – January 2 or 3, 1813) was an influential American socialite and the daughter of the third U.S. Vice President, Aaron Burr, and Theodosia Bartow Prevost. She gained prominence as the First Lady of South Carolina when her husband, Joseph Alston, became governor of South Carolina during the War of 1812. Born in Albany, New York, she received a well-rounded education under the close supervision of her father, Aaron Burr. Theodosia married Joseph Alston in 1801, and their union marked her entrance into the Southern gentry. She played a crucial role in supporting her father during his trial for treason and acted as his agent in the U.S. during his exile in Europe. Tragically, her son's death in 1812 deeply affected her health. Several months after her husband's appointment as governor, Theodosia set sail aboard the schooner Patriot but tragically disappeared at sea. Her mysterious disappearance has been the subject of much speculation and intrigue. Theodosia Burr Alston's life and legacy continue to captivate historians and enthusiasts alike.

Theodosia Bartow Burr (November 1746 – May 18, 1794) was an American Patriot known for her significant contributions during the Revolutionary War and her influential role in the political sphere. Born into a well-educated family, she received a cosmopolitan education and was fluent in French. Despite her family's ties to the British Army, Theodosia aligned herself with the Patriots and provided support to revolutionaries, including George Washington, Alexander Hamilton, and Marquis de Lafayette. Her home, the Hermitage, became a crucial meeting place for American soldiers and a hub for intelligent conversation. Theodosia's marriage to Aaron Burr, a prominent figure in American history, further elevated her position as a key ally in his political career. Her intellectual acuity and independent spirit set her apart, and her influence was widely recognized until her untimely death in 1794, leaving a void in the political landscape. The legacy of Theodosia Bartow Burr continues to be celebrated for her unwavering support for the American cause and her remarkable intellect.

Theodosia Hawkins-Magill, later known as the Countess of Clanwilliam, was a prominent figure in 18th-century Ireland, known for her vast wealth and influential standing in society. Born in Brighton in 1743, she inherited a substantial fortune from her father at a young age. In 1765, she married John Meade, and together they amassed significant estates, making them one of the wealthiest landowners in Ireland. Despite her husband's financial mismanagement, Theodosia retained control of her estates through strict marriage settlements. Her family's political legacy and her own influence allowed her to promote her sons' political careers, continuing the tradition of representing Co. Down in parliament. Theodosia's residences, including Gill Hall and Burrenwood, were significant landmarks, with Gill Hall gaining notoriety as one of the most haunted houses in Ireland. Her profound impact on politics and society, despite the limitations placed on women during her time, solidified her place in history. The Countess of Clanwilliam passed away in 1817, leaving behind a legacy of wealth, influence, and political prowess.

Theodosia Garrow (née Abrams, previously Fisher; ca. 1770 – 4 November 1849) was an English contralto who achieved fame performing with her sisters, Harriett, Eliza, and Jane Abrams. Born into a musical family of Jewish descent, Theodosia and her siblings were renowned professional musicians, with several of them achieving notable success in the music industry. Theodosia, alongside her sisters, converted to the Catholic church in 1791. Her career as a contralto saw her performing in various concerts and festivals, showcasing her exceptional talent. However, she decided to forego her burgeoning career in favor of marriage. She married Captain Thomas Fisher in 1794, and after his passing, she later married Joseph Garrow, a magistrate in Torquay. Theodosia's legacy lives on through her musical contributions and her family's involvement in the music scene, as evidenced by their compositions and performances. Despite her decision to prioritize marriage, Theodosia's impact as a leading female contralto of her time remains an essential part of musical history.

Theodosia Bagot, Lady Bagot, was a notable British nurse, benefactor, and author, who dedicated her life to providing medical care in various war zones. Despite having little prior nursing experience, she founded and served in field hospitals during the Second Boer War, the First Balkan War, and the First World War. Her exceptional service earned her numerous British and foreign decorations, including the Royal Red Cross and the Serbian Order of the Red Cross. Bagot's devotion to her Christian faith led her to be actively involved in the Anglican Church Army, eventually becoming the Vice-President of Church Army Council in 1927. She also authored "Shadows of the War," a narrative detailing her experiences and impressions during the Boer War. Additionally, she established the Portland Hospital and organized hospitals for the French and Belgian armies during the First World War. Bagot's unwavering commitment to humanitarian efforts and her significant contributions to nursing and wartime healthcare continue to be remembered and celebrated.