Short form of Elizabeth, from Hebrew Elisheva — god is my oath. Independent since the 1700s; Shaw's Eliza Doolittle and Hamilton's Eliza Schuyler both carry it.
Eliza ranks 115th among American girls in 2025, with 2,375 born that year. Its best year was 2021, when 2,490 babies were given the name, ranking 111th. The typical living American called Eliza is about 13 years old today. It is relatively most common in Wyoming, where it accounts for 0.32% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.