| | Family Health | Teen Health What was the most popular girl name in 1925? The most popular girl name in the United States in 1925 was Mary. Other popular names included Dorothy, Helen, Margaret, and Betty. Teen Health - Related Articles The Health Risks of Smoking Cigarettes When You're a Teen What age is most likely to drink and drive? Why do teens drink and drive? What suckle their young? Therapy for Teens: What to Expect Different Types of Nurses for Teens How to Set Pool Timers