Liam and Olivia are once again the most popular baby names in the US, according to the Social Security Administration. 2022 was the third year in a row that both names came out on top. Liam has been the most popular name for boys since 2017, whereas Olivia displaced Emma four years ago in 2019. Most Popular Boy Names: 1. Liam 2. Noah 3. Oliver 4. James 5. Elijah 6. William 7. Henry 8. Lucas 9. Benjamin 10. Theodore Most Popular Girl Names: 1. Olivia 2. Emma 3. Charlotte 4. Amelia 5. Sophia 6. Isabella 7. Ava 8. Mia 9. Evelyn 10. Luna