It IS unisex considering it can come from Oliver AND Olivia, but people can have Ollie (and other spellings) on either two genders. Try to see both sides of it.
― Anonymous User 6/8/2022
4
In 2018, 68 is the most common age for an American (U.S.) Ollie* who is registered male with the Social Security Administration. It is the 2, 479th most common male first name for living U.S. citizens. *as a first name, not a nickname.
― Anonymous User 10/11/2018
6
In 2018, 82 is the most common age for an American (U.S.) Ollie* who is registered female with the Social Security Administration. It is the 1, 591st most common female first name for living U.S. citizens. *as a first name, not a nickname.
― Anonymous User 10/8/2018
7
The name Ollie was given to 56 girls and 122 boys born in the US in 2015.