Arden, the name of the magical forest in Shakespeare's As You Like It, is a stylish A name with a strong, straightforward image. Another reason to love Arden: its similarity to "ardent." Arden is solidly unisex, with the current gender distribution running about 60 percent girls and 40 percent boys.

 A locational surname name deriving from several places in England, there are multiple legitimate derivations for this name. One is from Old English earn "eagle" + denu "valley", while another is from the Celtic ard meaning "high".

 As a girls' name, Arden has been flirting with the bottom of the Top 1000 in recent years, hopping on and off the US list. A solid Nameberry favorite, this name should begin climbing more steadily.

 Arden is more familiar as a surname, as in cosmetics entrepreneur Elizabeth and actress Eve, and the narrative poem by Tennyson, Enoch Arden. Shakespeare's mother was Mary Arden.

Arden

Aren

Belden is a little-used surname-name that might work in this age of Belles.

Belden

Boden is most often inspired by the clothing catalog of the same name, and it feels like an appropriate first name for boys because of its stylish two-syllable -n ending rhythm, a la Logan, Mason, Owen, and other trendy choices. While Boden or Bowden is a fairly common English surname, in German it is the everyday name for "floor".  Boden entered the US Top 1000 in 2014. You might also consider Bowen, Bode, Bodhi, and Bowie. 

Boden

Beven

Highly unusual but stylish-sounding occupational name, with a pleasant association with gardens. 

Carden

Like many short forms now popular as full names in the Netherlands, Coen—also spelled Koen—originated as the diminutive of the more old-fashioned Coenraad, the Dutch Conrad. May be confused in the US with Cohen, which stems from the Jewish surname designating a priest.

Coen

Farren

Gaelen

Like Silver, a shimmering metallic color name, almost too dazzling for an ordinary boy. 

Golden

Jansen

Jenssen

Larsen

Lewellen

The graceful, natural image of the verdant shade tree transcends any connection with President Johnson.
 A sturdy tree that can live for centuries, Linden was actually quite a popular boys' name from the 1930s to the 1960s--as was the presidential spelling Lyndon--but has now become unisex.

Linden

A variant form of Laurence or Lawrence which ranked in the #200s in the US from the 1900s through to the 1960s. It didn't fall off the boys' Top 1000 until the late 1990s, following the huge popularity of Lauren for girls.

Now, though, with gender-neutral names on the ascendant, Loren is used fairly evenly for both genders. Last year in the US, 75 baby girls were named Loren and 60 baby boys, making Loren an excellent nonbinary choice.

Loren

Maclaren

Maren is one of the many twenty-first-century takes on Mary--but we find the more classic Marin spelling preferable.  When spelled Maren, the pronunciation seems more clearly to resemble Mary, with the emphasis on the first syllable.  Marin, the spelling also used for the beautiful coastal county north of San Francisco, is often pronounced with the emphasis on the second syllable, as in Marie.

Maren

Marlen

Masen

Mirren is a lively and attractive Scottish name, popular in its native country but best known outside Scotland as the surname of the English actor Dame Helen Mirren. It is thought to be a Scottish derivative of the name Marion, from Mary.

 Another possible origin for Mirren is as a modern spelling of a mysterious group of names that all seem to derive from the sixth century Irish saint Mirin who emigrated to Scotland and now is the patron saint of both the Glasgow suburb of Paisley and the game of football. The Cornish Merryn, best known as the name of the seacoast town St. Merryn, is also related.

Mirren

Nielsen

Nolen

Niven

Too tied to those well-publicized twins. 

Olsen

Orsen

Parken

Patten

Ranen

Reegen

The masculine version of Rosen, pronounced ROH-zen, is a German and Bulgarian name, commonly seen as an element in Ashkenazi Jewish surnames. But Rosen, pronounced ROZ-en, is a modern Cornish word name used predominantly for girls.

Rosen

Sabien

Sagen

Selden

Sellden

Seren, meaning "star", is one of the <a href="https://nameberry.com/girls-names">top girls' names</a> in Wales, but as a boys' name it has a different derivation. It's a rare Polish form of the Latin Serenus, meaning "serene". It could make for a handsome and almost unknown alternative to rising star Soren.

Seren

Shannen

Tallen

Toren

Tristen

Vivien (Scarlett O'Hara) Leigh was born Vivian. Some sources give Vivien as a relative of the Irish goddess name Bebinn and a literary name invented by Tennyson. Others say it's related to the Latin-based Viviana, meaning life. This spelling of the name is as legitimate as many others.

Vivien

Veren

Walden is a recent entrant to the en-ending boys' names trend, a name that summons up placid images of Thoreau's two-year stay contemplating nature near Walden Pond. 
 A quite different image came into being when Walden was chosen as the name for Ashton Kutcher's character in "Two and a Half Men"--internet billionaire Walden Schmidt. It is also a Harry Potter name, via wizard Walden Macnair.

Walden

Wren, a lilting songbird name, could be the next Robin. It makes a particularly pleasing middle name choice, as does her newly discovered cousin Lark. Wren entered the Top 1000 for the first time in 2012 and is among the new wave of popular <a href="https://nameberry.com/baby-names/501/english-names-for-girls">English names for girls</a>.
 This petite bird was regarded in Ireland as the "magician of the birds" and the Druids considered it a bird of prophecy. Thanks to an early fable, it has also been known as King of the Birds.
 For architects there's the link to the great Sir Christopher Wren, the celebrated eighteenth century designer of London's St. Paul's Cathedral.

Wren

lamere13's list "-EN Baby Names" of 44 great name ideas: Arden - Wren!