Unconventional names like North and Lincoln may have dominated the headlines, but time-tested classics dominate the top spots in the Social Security Administration's roundup of the most popular names of 2013. The number one name given to girls in the US in 2013 was Sophia. This name comes from the Greek word sophos meaning "wise." It is related to –sophy, a combining form meaning “science of” found in words such as philosophy and theosophy. Sophia has been the top name for baby girls in the US for three years straight.