International boy names

In 2010, baby boys named Ari outnumbered baby girls 4 to 1; today, there are nearly equal numbers of boys and girls named Ari. And that's only counting the babies who receive Ari as a full name. Ari can also be short for not only Ariel but Aria, Arya, Ariana, and any other name starting with Ari. Ari entered the US Top 1000 for girls in 2016.

Yes, it's hard to see Arthur as a girls' name, but our database pulls in every name that appears on every name popularity list from anywhere ever. (Note: Lots of countries don't keep name popularity data, but if they do, we have it). Therefore some parents at some point named their daughters Arthur. Or the registrar wrote the name in the wrong gender column.

Yes, there are baby girls named Benjamin — typically between 10-20 recorded in a given year. These numbers are likely inflated due to data entry error, but you still could encounter a female Benjamin out there.

Leo is of course a very popular name for boys and an equally rare one for girls. But32 baby girls were named Leo in the US last year, and as feminine leonine names such as Leonora and Leonia find more widespread popularity, Leo is popping up as an adorable short form for girls as well as boys.

Merlin is an ancient wizardy name still occasionally used today. About ten baby girls were named Merlin in the US last year, and about 50 boys.

A much more dynamic nickname than Nicky for any of the Nic-names. Nico was chosen by Thandiwe Newton for her daughter.

Rock-and-roll version of Coco — definitely a possibility for girls.