No, Millie is overwhelmingly a feminine name, often a nickname for names like Millicent, Mildred, or Amelia, meaning "gentle strength" or "strong in work". While historically used rarely for boys, it's strongly associated with girls and very popular for them, making it effectively non-unisex in modern usage.
Millie is a feminine given name. It is often short for Emily, Millicent, Mildred, Camille, Camilla, Camila, Emilia, Maximillian, or Amelia.
Millie is most commonly used as a feminine name and it means 'hard worker' or 'gentle strength'.
Rarest gender-neutral names often come from unique word names, surnames, or nature/celestial themes, with examples like Fable, Hero, Denali, Mercury, Delta, Alchemy, Vesper, Zani, Bryar, and Callaway, offering distinct sounds and meanings beyond common unisex choices like Avery or Riley, showing up in discussions on Nameberry and Reddit and BabyCenter as truly uncommon options.
Milly is a feminine name of Latin, Old English, Old German, and Old French origins that is rich with meaning to inspire baby. While it has been used as a shortened form of many different names, it acts as an adorable name in its own right.
The name Millie peaked for boys at #1291 in 1907. Millie is also used for girls, ranking #86 in 2024.
7 rare female names in the U.S.
Some popular unisex names Quartz has observed include Alexis, Azariah, Baylor, Emory, Finley, Hayden, Justice, Landry, Skylar and Casey.
The number one boys' name varies slightly by region and year, but Noah, Liam, and Oliver consistently rank at the top globally, with Noah leading in many places like the US and Australia (NSW/ACT), while Oliver is a long-running favorite in Australia overall, and Liam often tops lists in the US.
The least popular boys' names of 2023
Millie. Millie is a baby girl name of derived from the German names Millicent, Melicent, and Mildred. Millie is an Anglicized first name and nickname translating to “gentle strength” and “strong in work.” Millie is also associated with the Old German name Amalasuintha.
Pretty girl names often blend classic elegance with modern softness, featuring popular choices like Olivia, Amelia, Charlotte, Sophia, and Ava, alongside romantic and whimsical options such as Aurora, Isla, Willow, Luna, and Aria, with many finding beauty in vintage revivals like Eloise, Violet, and Florence.
The number one girl name varies by location and year, but Olivia, Charlotte, and Amelia are consistently at the top in the U.S. and Australia for recent years, while Isla and Evelyn have claimed the top spots in other regions like the UK and Canberra for 2025 data.
Unisex names are common in the English-speaking world, especially in the United States. By contrast, some countries have laws preventing unisex names, requiring parents to give their children sex-specific names.
Rare Baby Boy Names
Miley is a unisex English given name. It first entered the top 1,000 names used for newborn girls in the United States in 2007 and has continued to be well used. Spelling variants of the name in use include, among others, Milee, Mileigh, Mylee, Myleigh, and Mylie.
Using traditionally male names for girls is a growing trend, popularized by celebrities like Blake Lively. Boy names for girls can offer uniqueness, gender flexibility and modern appeal while often carrying strong or meaningful origins.
The number one girl name varies by location and year, but Olivia, Charlotte, and Amelia are consistently at the top in the U.S. and Australia for recent years, while Isla and Evelyn have claimed the top spots in other regions like the UK and Canberra for 2025 data.
Rarest gender-neutral names often come from unique word names, surnames, or nature/celestial themes, with examples like Fable, Hero, Denali, Mercury, Delta, Alchemy, Vesper, Zani, Bryar, and Callaway, offering distinct sounds and meanings beyond common unisex choices like Avery or Riley, showing up in discussions on Nameberry and Reddit and BabyCenter as truly uncommon options.
From popular Z names like Zariah and Zoe, to more uncommon picks like Zaccaria and Zuni, we can help you find the right unisex baby name that starts with Z for your little one.
Noah, a gender-neutral title, is of Hebrew origin and, interestingly, it means both "rest" and "motion." As a feminine name, it means "motion" and stems from the Bible, in which No'ah was the daughter of Zelophedad.
Pretty girl names often blend classic elegance with modern softness, featuring popular choices like Olivia, Amelia, Charlotte, Sophia, and Ava, alongside romantic and whimsical options such as Aurora, Isla, Willow, Luna, and Aria, with many finding beauty in vintage revivals like Eloise, Violet, and Florence.
Vintage girl names, popular in earlier eras but seeing a modern revival, include classics like Alice, Clara, Edith, Josephine, and Ruby, along with sweet nicknames becoming names themselves, such as Maisie (Margaret) and Sadie (Sarah), offering a blend of tradition and unique charm like Ada, Eloise, Iris, Mabel, and Violet.