Margo, a streamlined Anglo-American adaptation of the French diminutive Margot, ultimately descends from the Greek margarítēs “pearl,” a term transmitted through Latin Margarita and medieval French Marguerite. Entering Anglophone registers at the turn of the twentieth century, the name accrues cultural resonance through figures such as the silver-screen persona Margo Channing and the influential theatre director Margo Jones, associations that confer an air of poised artistry rather than overt sentimentality. United States birth data reveal a mid-century plateau followed by gradual resurgence: after settling in the lower ranks during the 1980s and 1990s, Margo has advanced from the 800s to the mid-400s since 2010, a trajectory indicative of renewed appetite for concise, vintage appellations. Phonetically transparent in English (MAR-goh) and only slightly softened in French (mar-GOH), the name traverses linguistic boundaries with minimal adaptation, preserving its Gallic cachet while conforming to English orthography. Consequently, Margo offers prospective parents an academically venerable yet stylistically pared-back alternative to Margaret, still imbued with the symbolic lustre traditionally attributed to the “pearl” etymon.
| Margo Smith, known as "The Tennessee Yodeler," was an American country and Christian singer–songwriter who scored number one hits in the 1970s and released successful Christian albums in the 1990s. | 
| Margo Martindale is an Emmy-winning American character actress acclaimed for her roles on Justified and The Americans. | 
| Margo St. James was an American sex worker and feminist who founded COYOTE to advocate for prostitution decriminalization and co-founded the St. James Infirmary Clinic for sex workers. | 
| Margo Lillian Jefferson is an American writer, academic, and Pulitzer Prize-winning journalist. | 
| Country singer Margo Rae Price was dubbed 'country's next star' after her 2016 debut album. | 
| Margo Kingston is an Australian journalist and author, best known for her work at The Sydney Morning Herald and Webdiary, and since 2012, she has reported on politics as a citizen journalist via Twitter and her website. | 
| Margo Hayes is an American professional rock climber who made history as the first woman to climb a 9a+ route and complete the 9a+ Trilogy. | 
| Margo Dydek was a Polish basketball player renowned as the world's tallest professional female at 7'2" and for her WNBA career. | 
| Margo is an Irish singer who rose to fame in the 1960s within the country music scene and has enjoyed a long career. | 
| Margo Tamez is a historian, poet, and activist from Texas who is a member of the Lipan Apache Band, an organization without federal or state recognition. | 
| Margo Burns is a historian and linguist who focuses on the Salem witch trials and related events in North Andover. | 
| Margo Howard is an American writer and former advice columnist, and the only child of Jules Lederer and Eppie Lederer. | 
| Margo Seibert is an American actress and singer. | 
| Margo Winkler is an American actress celebrated for her minor roles in Martin Scorsese's films, which were produced by her husband Irwin Winkler. | 
| Margó Ingvardsson is a Swedish physiotherapist and retired politician who served as a Member of the Riksdag for the Left Party Communists from 1983 to 1991. |