Used quietly on boys in the US since the early 20th century, Mckenzie was abruptly overtaken by the Mackenzie spelling back in 1973 when actress Mackenzie Phillips introduced the name as a possibility for girls. While Mckenzie has never matched its sibling spelling in popularity, it nevertheless climbed the charts in its wake, peaking in 2000 at #133.

In the early eighties, Lindsay, in tandem with Courtney, approached the Top 10.

A popular member of the -ayden family, Kaden ranks alongside Kaiden, Kayden, Kasen, Kade, Caiden, Cade, and Caden in the US Top 1000. A 90s invention that took off in the 2000s, Kaden is concise and modern, with its popular K initial.

Annabella is one of a constellation of names that include Anabella, Annabelle, Annabel, Anabel, Annabelle, and Annabell -- all lovely names that have suffered from their association with the eponymous horror movie. Annabella fell off the US Top 1000 in 2021, and ironically, the only version of the name that hangs on in the Top 1000 is Annabelle, the spelling used in the movie.

Yesterday's hottie, today's mom name. Kelsey derives from several English place names and may mean "Cenel's island", from the Old English name Cenel "fierce".

One of the first luxury brand names and the quintessential Booming Eighties status-conscious moniker; used by Donald Trump for his daughter, Tiffany has plummeted far from its high in the Top 25.

Trending down, along with others of both the Car and the issa groups.

The second most popular spelling of this name is also the most straightforward.

A smooth, attractive choice, Arianna's on the rise with both single and double 'r's and 'n's. Single 'r' double 'n' Arianna — the second most popular version of the name — is these days associated with Greek-born blog queen Arianna Huffington.

This variation of Jordan entered the Top 1000 in 1989. Jordyn as well as Jordan trended throughout the 90s and early 2000s, but are beginning to fall slightly on the girls' side. While the Jordan spelling reached the highest point in popularity out of the 2, making it into the Top 50 in the late 90s and early 2000s, today Jordyn has taken the lead.

Halia is one of Hawaii's top baby names, in the Top 50 for girls in 2021. Rare yet quietly on the rise outside of Hawaii, it was given to around 64 girls in a recent year. With its appealing meaning and approachable sound, Halia may see more use in the future.

A simple, unusual word name with an evocative meaning, Ever feels similar enough to Eva, Evelyn, and Everly that it shifts easily into name territory. Actor Robert Carradine was ahead of the trends when he named his now grown-up actress daughter Ever back in the 70s, while more recently, it was used by both Milla Jovovich and Owain Yeoman.

Associated with poetry, pop music, and the Greek lyre, Lyric has a light and zippy sound to it and joins the likes of Melody, Harmony, Cadence, and Aria as musical names that have become baby names. A unisex name, it is currently three times more popular for girls in the US where it sits in the Top 600. It has declined in use since its 2014 peak, but was still given to around 560 girls in a recent year.

State name Alaska stems from an Aleutian word for the land mass itself. The number of baby girls named Alaska has doubled in the past five years, and is sure to continue increasing as more place names are annexed as baby names. Wilder but as habitable as Dakota or Cheyenne, Alaska is a girls' name choice for the future.

Paris, a one-time mythical and Shakespearean boys' name, peaked in 2004 at Number 157 at least in part due to the highly publicized Paris Hilton. Michael Jackson used it for his daughter.

Charli may be the new Charlie, which is the cooler Charlotte. British singer-songwriter Charli (born Charlotte) XCX, creator of the hit album Brat, and TikTok star Charli D'Amelio popularized the Charli spelling.

Lexi and Lexie, pixie-ish offshoots of the prolific Alex family, have come into their own, remaining in the Top 1000 for more than 20 years now.

While the traditionally spelled Madison has been among the most popular names in the 21st century, this version isn't exactly unpopular. Nevertheless, the second d is superfluous.

While Alivia may not have achieved the megapopularity of its mother name, it's still a widely used choice. Alivia combines the trendiness of A names with the trendiness of Olivia to create a choice that's slightly off the beaten track -- slightly being the operative word here. Is the distinction the initial A earns you worth a lifetime of explaining, "No, it's Alivia, with an A, not Olivia"? Your call, though ours would be no.

A Scottish surname name, more popular as the Presidential McKinley, meaning "son of the fair hero".