The name Delta is a boy's name meaning "letter or island".

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Delta is an unusual vintage name for girls or an futuristic modern option for boys. Delta is the fourth letter of the Greek alphabet and also the geographical name given to an island formed at the mouth of a river. 

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The name Delta peaked for boys at #1430 in 1908. Delta is occasionally used for girls in 2025.

The name Delta is a girl's name of Greek origin meaning "fourth letter; island formed at the mouth of a river".

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Delta is an unusual vintage option, blending the sounds of Della and Etta. The fourth letter of the Greek alphabet and a geographical term, used to describe an island formed at the mouth of a river, some may be put off by Delta's links the airline company of COVID variant on the same name.
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Borne by singer Delta Goodrem and actress Delta Burke, it was given to around 80 girls in a recent year.




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The name Delta is currently ranked #994 in U.S. births. and peaked for girls at #723 in 1893. It is currently rising in popularity. The name is most popular in DELTA, DELTA, and DELTA. Delta is occasionally used for boys in 2023.

Year	US rank	Births	Per million
2014	—	0	0
2015	—	0	0
2016	—	0	0
2017	—	0	0
2018	—	0	0
2019	—	0	0
2020	—	0	0
2021	—	0	0
2022	—	0	0
2023	—	0	0
2024	—	0	0
2025	—	0	0

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