The Loud House characters sisters ages range from twenty four years old to eight year old according to Deviantart. The names of each of them are described below:

• Lori Loud (Age: 24)

As per Deviantart Lori Loud is 24 years old born in 1999 and is the oldest sister of the family. Lori is responsible and bossy, but also caring and protective of her siblings.

Lori is often seen wearing a light blue tank top, brown cargo shorts, blue slip-on shoes, and white pearl earrings. Being the only Loud sibling with a driver's license, she often leverages her position to get her siblings to run errands for her in exchange for a ride.

She is a multi-talented Loud sister who boasts a unique skill set. Not only is she a skilled golfer, having been the first freshman in her school to join the golf varsity team.

• Leni Loud (Age: 23)

Leni Loud is 23 years old born in 2000 and is the second child in the Loud family. Leni is sweet and kind-hearted, but also a bit ditzy.

As the fashion-forward Loud sister who's always dressed to impress, with her turquoise dress, red hoop earrings, white slip-on sandals, and signature sunglasses on top of her head, Leni is a sight to behold.

She's a frequent shopper at the Royal Woods Mall, but she's got a secret fear that often holds her back - spiders. This arachnophobia is referenced in multiple episodes, most notably "Along Came a Sister".

Leni landed a job at Reininger's Department Store in the Royal Woods Mall.

• Luna Loud (Age: 22)

Luna Loud is 22 years old born in 2001 and is the third child in the Loud family. Luna is free-spirited and musically talented, often breaking out into song at any given moment.

With her purple shirt, lavender skirt, white belt, high purple boots, paperclip earrings, 3 black bracelets, and choker, she's always dressed to impress.

She's a wild and upbeat guitarist who's mastered a variety of instruments, but her signature is a purple Dean ML electric guitar. Luna's passion for music was sparked by her idol, rock singer "Mick Swagger", whose words she follows closely.

Luna's love life has been a hot topic in the episodes "Study Muffin" and "L is for Love". In these episodes, it's revealed that Luna is bisexual, as she's shown to be attracted to both Lincoln's male tutor Hugh, and a female classmate named Sam Sharp.

• Luan Loud (Age: 21)

Luna Loud is 21 years old born in 2002 and is the fourth child in the Loud family. Luan is always cracking jokes and pulling pranks, but also has a sensitive side.

Luan is a force to be reckoned with her white sleeveless shirt, yellow skirt, yellow socks, brown shoes, and 3 pink flowers, she's always dressed to impress.

Luan's talents don't stop there, as she's an expert birthday clown, juggler, magician, mime artist, and ventriloquist, with Mr. Coconuts as her trusty dummy.

However, Luan can get jealous of her siblings, as shown in the episode "Funny Business", where Lincoln begins to overshadow her as a birthday clown. But Luan's got a budding romance with a fellow classmate named Benny, as seen in the episode "Stage Plight", where they share a kiss in Romeo & Juliet.

• Lynn Loud (Age: 20)

Lynn Loud is 20 years old born in 2003 and is the fifth child in the Loud family. Lynn is competitive and determined, but also has a soft spot for her family.

Lynn often initiates competitions with her siblings and enjoys playing a variety of sports. She is highly superstitious and takes measures to avoid anything that could potentially disrupt her winning streak.

She follows various superstitions and rituals to maintain her success. Lynn wears a red and white jersey, red and white track shorts, black cleats, and white high-knee socks.

• Lucy Loud (Age: 15)

Lucy Loud is 15 years old born in 2008 and is the seventh child in the Loud family. Lucy is quiet and introverted, often writing dark poetry and spending time with her pet bats.

Lucy has a unique fashion sense, sporting long arm sleeves, stockings, a black dress, a shirt, and black shoes. Her striking appearance is accentuated by her pale white skin and long black hair, which is styled with bangs that cover her eyes.

Interestingly, she bears a striking resemblance to the Loud children's great-grandmother Harriet. She has a unique talent for fortune-telling, and her predictions have a tendency to come true in a very literal way.

At school, she is a member of the Morticians' Club, where she can connect with like-minded individuals who share her interests. She has a deep admiration for Edwin, the vampire from her favorite book and TV series, and has even pledged to be with him in the afterlife.

• Lana Loud (Age: 13)

Lucy Loud is 13 years old born in 2010 and is the eighth child in the Loud family. The tomboyish sister, Lana loves getting dirty and playing with her pets, which include a frog, a snake, and a dog. 

Lana and Lola are identical twin sisters who share a special bond. Lana was born two minutes before Lola, which is revealed in the episode "Ties That Bind."

Her fashion sense is simple yet distinctive, as she often wears a red baseball cap, white sneakers, a murky green t-shirt, and dark blue overalls.

Lana is a self-proclaimed tomboy who isn't afraid to get her hands dirty. She enjoys playing in the mud and is a skilled handy worker, plumber, and mechanic. She shares a close bond with her identical twin sister Lola, and they often hang out and work together.

• Lola Loud (Age: 13)

Lola Loud is 13 years old born in 2010 and is the ninth child in the Loud family. The pageant queen, Lola is sassy and demanding, but also loves her family and will do anything to help them.

She is the identical twin sister of her roommate Lana. Lola is a "Princess" who can be manipulative and scheming to get what she wants and can be quite volatile if anyone, including her siblings, upsets her.

Her fashion sense is elegant and refined, as she is often seen wearing a long pink gown, sash, a white pearl necklace, long pink gloves, white earrings, pink high heels, and a tiara.

• Lisa Loud (Age: 11)

Lisa Loud is 11 years old born in 2012 and is the tenth child in the Loud family. The genius of the family, Lisa is a child prodigy with a love for science and inventing.

Lisa is a curious and inquisitive genius who finds joy in solving complex equations, and math problems, and performing elaborate experiments. She often uses her unwitting siblings and Clyde as test subjects in her quest for knowledge.

She is a bespectacled girl who prefers to dress in an olive green turtleneck sweater, dark pink pants, and brown loafers. She has a penchant for using formal and detailed terms to refer to basic things before explaining them in simpler terms.

Though she can be reckless and unethical with her experiments, she is a good-hearted girl at her core.

• Lily Loud (Age: 8)

Lily Loud is 8 years old born in 2015 and is the eleventh child in the Loud family. The baby of the family, Lily is adorable and often causes chaos with her mischievous antics.

Lily is a diaper-clad baby who is often under the care of her older brother Lincoln. However, she has a tendency to lose her diaper, which leads to her running around naked and her siblings having to put her diaper back on.

She mostly says "poo-poo" and often needs a diaper change, which is shown by her diaper flying across the screen. She shares a room with Lisa and sometimes her siblings can translate her gibberish.