What's in a Baby Name?


Halle Berry and husband Olivier Martinez received the ultimate present when they welcomed their new baby boy on Oct. 5 – so it's no surprise the first half of his name means "gift of God." The "Maceo" part is said to be of Spanish origin – the French actor's father, Robert Martinez, was a Spanish boxer – and the couple picked "a name that's great in both the U.S. and France," a source close to Martinez tells PEOPLE.

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What's in a Baby Name?


Is Jimmy Fallon a fan of The Wonder Years? Although the new dad calls Danica McKellar's '90s alter ego "the coolest girl on TV ever," he and wife Nancy Juvonen – who welcomed their 3-week-old daughter via surrogate last month – actually picked a name nodding to New Hampshire's Lake Winnipesaukee, where the couple vacationed together every summer and got engaged. "You overthink names – you don't want a name that's been done, but then you don't want something so weird people are like, 'What?!' Winnipesaukee's a little long," the late-night talker told Today. "Also she's a 'win' for us."

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What's in a Baby Name?


Only time will tell if a casino career is in the cards for Jessica Simpson and fiancé Eric Johnson's baby boy, whom they welcomed June 30. His middle name, however, honors Johnson's Swedish grandfather, a rep tells PEOPLE. Ace's sister, Maxwell Drew, 14 months, also keeps it in the family: Maxwell is Johnson's middle name, while Drew is Simpson's mother Tina's maiden name.

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What's in a Baby Name?


Pushing konventions aside, new parents Kim Kardashian and Kanye West went in quite a different direction when they named their daughter, born June 15, after the cardinal direction. Though they once quashed rumors that they were considering the cheeky moniker, Kardashian's mom, Kris Jenner, revealed she's "pro North" during a June 25 appearance on The View. "North means the highest power," she explained. "[Kim] says that North is their highest point together."

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What's in a Baby Name?


For Drew Barrymore, her daughter's name jumped off the page – literally. "I was reading a book with my husband [Will Kopelman]. I was three months pregnant," she recalled during a visit to The Ellen DeGeneres Show in December 2012, months after welcoming her baby girl on Sept. 26. "They said, 'Your baby is the size of an olive.' And that was it. We never looked back."

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What's in a Baby Name?


Name – or good luck charm? "Harper is an old English name, which we love," David Beckham explained on Facebook days after welcoming a daughter July 10, 2011, with wife Victoria. "One of the reasons is Victoria's favorite book is To Kill a Mockingbird and the author was Harper Lee." As for her numerical middle name, "[Seven] symbolizes spiritual perfection," he added. "In many cultures around the world, it's regarded as a lucky number."

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What's in a Baby Name?


Now, that's a colorful moniker. "I wanted to give my daughter a unique name," mom Holly Madison explained to E! News days after the March 5 arrival of her daughter with boyfriend Pasquale Rotella. "Growing up, there was a girl in my school named Rainbow, and I was so envious of that name. I thought it was so pretty and unique!"

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What's in a Baby Name?


Kate Hudson and rocker fiancé Matt Bellamy looked no farther than their own folks when they named their son, born July 9, 2011. "For those wondering, Bingham is my mum's maiden name and Bing Russell was [Kurt Russell's] dad," Bellamy Tweeted. "Family connections all round!"

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What's in a Baby Name?


Feeling blue? Not Beyoncé Knowles and Jay-Z's daughter, who was born Jan. 7, 2012. Fans suggested that her first name could be a reference to one of Jay-Z's albums and that "Ivy" was a nod to the couple's favorite number, four. But Beyoncé seemed to answer the baby name origin question when she quoted Rebecca Solnit's 2005 book, A Field Guide to Getting Lost, on her blog: "This light does not touch us, does not travel the whole distance, the light that gets lost, gives us the beauty of the world, so much of which is in the color blue."

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What's in a Baby Name?


Naturally, movie mogul Harvey Weinstein turned to the big screen for inspiration when he welcomed a son with wife Georgina Chapman on April 11. The name nods to 1934's The Thin Man (based on the novel by Dashiell Hammett), which he referenced on the couple's first date when Chapman tripped into a restaurant. "First, there is a God because that evened the playing field right away," he recalled on CBS This Morning. "Secondly, I said to her, 'That was the opening scene when Myrna Loy walked into William Powell.'"

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What's in a Baby Name?


We expect some epic accomplishments from NFL star Reggie Bush's daughter, whom he welcomed with girlfriend Lilit Avagyan on May 6. In Greek mythology, the name refers to the mythical queen at the heart of a clash between Achilles and Agamemnon that plays out in Homer's epic poem Iliad.

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What's in a Baby Name?


Try saying this one five times fast! Mom Uma Thurman was motivated by her 14-year-old daughter Maya to choose the tongue-twisting name for her newborn, her child with beau Arpad Busson born on July 15, 2012. Her reasoning: "I probably wouldn't get to have any more children," she said on Late Night with Jimmy Fallon, "so I just put every name that I like [into her name]." But you can call her by her nickname, Luna.

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What's in a Baby Name?


You might say Nick and Vanessa Lachey's baby boy, born Sept. 12, 2012, inherited some serious street smarts. After many a trip to his wife's obstetrician's office on Camden Drive, he thought, "Hey, what about Camden?" (And maybe their baby will have a play date with Kristin Cavallari's son, also named Camden, who was born the month prior.)

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