Also used in Spanish and Catalan. There are 3,771 bearers of this name in Spain, and 1,326 of them are found in Catalonia (source: Instituto Nacional de Estadística).
In 2018, 84 is the most common age for an American (U.S.) Ada who is registered female with the Social Security Administration. It is the 999th most common female first name for living U.S. citizens.
― Anonymous User 10/5/2018
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In Poland, Ada is either a diminutive of Adriana/Adrianna or used on its own.
― Anonymous User 1/16/2017
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This name has started to be popular in Turkey recently. Muslim people generally give names to their children which have meaning. And with this context, there is no connection between other countries and Turkish people about the name "Ada". In Turkish language "Ada" means "island" which sounds cool. This name is a new modern female name in Turkey.
It was also used in Italy in the first years of the 20th century: it was the 9th most popular name in Rome in 1901, the 8th in 1916. Today it is hardly ever used. [noted -ed]