In 2018, 2 is the most common age for an American (U.S.) Adeline who is registered female with the Social Security Administration. It is the 1443rd most common female first name for living U.S. citizens.
― Anonymous User 10/12/2018
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This name can also be spelled Adaline. It is still pronounced the same with this spelling (ADD-a-line). This is also the spelling and pronunciation used by the recent movie, "Age of Adaline."
The name Adeline was in use, though uncommon, until the 1980's in France. It's most popular year so far was 1991, when it was given to 3, 214 baby girls. I adore the French pronunciation but I can't stand the English one. 'Add-a-line' just isn't appealing to me, but 'add-a-leen' is simply gorgeous :)