Lisa

Popularity rank in the U.S.: No. 750
Meaning: God is abundance
Lisa Simpson is the middle kid, the lefty liberal, Buddhist, veggie, baritone sax player who's smarter than the average Simpson. Lisa is also a short form of Elizabeth, a name from the Old Testament Hebrew meaning "my God is an oath" or "my God is abundance." Character Lisa shares a star on the Hollywood Walk of Fame with her family.
Declan

Popularity rank in the U.S.: No. 122
Meaning: Full of goodness
Declan Desmond is a documentary filmmaker in the show, with such distinguished work as "American Boneheads: A Day in the Life of Springfield Elementary" to his credit. Declan comes from the Gaelic "dag" for "good" and "lan" for "full," which combine to mean "full of goodness." The name is one of a handful of popular Irish baby names in the U.S.
Francesca

Popularity rank in the U.S.: No. 426
Meaning: French, from France
Francesca is Sideshow Bob's Italian wife whose loyalty to him transcends more conventional notions of honor as she attempts to help her husband exact vengeance on the Simpsons. It's a lovely name, though. Francesca is the Italian and Catalan feminine version of Francis, the nickname given to the Assisi saint by his father, who called him "the Frenchman." Francesca is nothing like Francis of Assisi, but she's certainly passionate about her beliefs — a commendable trait.
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Birch

Popularity rank in the US: Not ranked.
Meaning: From the birch grove
"Birch" T. Barlow is a comedic conservative talk show host and news anchor on "The Simpsons" who envisions himself as an authoritative entity — "the 51st state." Skip all that and just love the name. Birch comes from the old Anglo-Saxontribes of Britain and refers to the tree. It was a surname meaning "from the birch grove." The name is rare and your young sapling will probably be the only Birch in his class.
Rachel

Popularity rank in the U.S.: No. 155
Meaning: Little lamb, innocence, purity
Rachel Jordan is Christian rock band Kovenant's lead singer on "The Simpsons." The character has performed in church services on the show and briefly dated widower Ned Flanders. The name Rachel comes from the Old Testament Hebrew for "ewe" or "sheep" and is associated with the meanings "little lamb" or "purity, innocence."
Troy

Popularity rank in the U.S.: No. 274
Meaning: Person from Troyes, soldier
Troy McClure was an out-of-work, has-been actor on "The Simpsons" who quickly became one of the series' favorite characters. He was voiced-over by beloved talent Phil Hartman and retired from the show after Hartman's death. Troy comes from the French surname for a person from the city of Troyes and from the ancient Greek city of legend. The name can refer to a soldier, as in Trojan war, or to a geographic origin.
Lindsey

Popularity rank in the U.S.: No. 570
Meaning: Lake colony, lake island, city by the pool
Lindsey Naegle is a brainy network executive, a bit of a self-absorbed chat queen with few altruistic leanings. Famous quote: "Children are the future, today belongs to me." The name Lindsey, or Lindsay, is somewhat lovelier. It hails from the Scottish and English region of Lindsey and means "a city or colony by a lake or pool." Lindsey wasn't considered a girls' name until the 1970s, but it is typically given to girls now.
Jebediah

Popularity rank in the US: Not ranked.
Meaning: Beloved of Yahweh
Jebediah Obadiah Zachariah Jedediah Springfield is the founder of Springfield on "The Simpsons," a local hero and a legend with a murky past. Did Jebediah once kill a bear with his bare hands or did the bear kill him? Was he really a failed pirate who fought with George Washington, or is he an inspirational force for good in Springfield? Binge-watch your old episodes to find out. Jebediah is a version of the Hebrew name Jedidiah and means "beloved of Yahweh." It's a very uncommon name in the U.S. and comes with a terrific nickname, Jeb.
Violet

Popularity rank in the U.S.: No. 67
Meaning: Small purple flower
Poor Violet is a sickly orphan with a sidekick, Patches, who evokes the underside of Dickens' London. She's no fragile flower, though; the character makes numerous appearances on the show. Violet is a currently trendy girl's name and celebrates the delicate purple flower. It is a British word derived from the Latin "viola," which is also the name of a string instrument with a deeper voice than the violin.
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Rainier

Popularity rank in the US: Not ranked.
Meaning: Strong counselor, military strategist
Rainier Luftwaffe Wolfcastle is an Austrian action hero movie star in "The Simpsons," modeled after Arnold Schwarzenegger, who owns a restaurant named Planet Springfield. He's more famous for being famous than for his talent, but he unintentionally contributes to the humor of the show. Rainier is originally Norman, the French form of the old German Raganhar, which breaks down to "advice" and "army." The name belonged to the real Prince of Monaco but has been an uncommon, if distinctive, name choice since the Middle Ages.