Peri Lomax is a fictional character from the British E4 soap opera Hollyoaks and is portrayed by Ruby O'Donnell.

After being introduced as the "sister" of pre-established longstanding character Ste Hay (Kieron Richardson) alongside her believed to be two sisters Leela Lomax (Kirsty-Leigh Porter) and Tegan Lomax (Jessica Ellis), the character was devised in a plot-twist meaning she was revealed to be the biological daughter of Leela who had conceived Peri at fourteen with childhood lover and serial killer Cameron Campbell (Cameron Moore) who later murdered her grandparents.

The storyline resulted in the birth of Steph Cunningham-Lomax (Katie/Isabella Hibbert) in episode 4202, originally broadcast on 1 September 2015.

(Jemma Donovan) whodunit storyline, where it was later revealed to be her boyfriend Romeo Nightingale (Owen Warner) who departed the soap in February 2024.

[1] Peri is the youngest member of the Lomax family, which consists of parents Danny (Stephen Billington) and Sam (Lizzie Roper) and siblings Tegan (Jessica Ellis) and Leela (Kirsty-Leigh Porter).

[2] Describing Peri, a writer for the show's official website commented "Don your shades, ladies and gents – 'cos this girl is sunshine all year round!

As the youngest of the Lomaxes, Peri should be making mistakes left, right and centre, but – in actual fact – she's usually the only voice of reason in her family.

"[11] During the storyline, Tom proposed to Peri and revealed to the whole school and town that she was pregnant to Leela, Ziggy and Tegan's surprise.

[12] Also during the storyline, Leela called cousin Angela (Adele Silva) as a candidate to adopt the baby.

Blackshaw, who portrays Juliet, stated that at the point of filming their first kissing scene together, she did not know the exact details of how the pair got together, but she knew that a relationship between them would eventually develop.

[16] O'Donnell echoed Blackshaw's comments, stating that she loves their storyline and that the pair had both seen fan accounts for Peri and Juliet.

[17] After the pair were involved in a second kissing scene, Digital Spy confirmed that their relationship will continue to develop.

[19] Following Juliet being imprisoned for her involvement in a county lines drug trafficking ring, Blackshaw stated that "it's the biggest relief in the world" for her character to be reunited with Peri after her release.

[20] Blackshaw explained that having Peri waiting for her helped to "motivate her and push her through" was a beneficial aspect for her character.

[21] O'Donnell also said that while she does not know what future storylines could possibly involve, she could see Juliet and Peri being a long-term couple.

[21] Peri arrives with mother Sam (Lizzie Roper) to surprise her father, Danny (Stephen Billington).

While confronting her father, Peri faints and falls down the stairs in the village, and is then rushed to hospital, where she is diagnosed with a brain tumour.

He takes her home and Sam and Danny panic and try to leave quicker, scared that Leela and Cameron will tell Peri the truth.

Peri considers an abortion but during the school play, Tom proposes and she runs home in tears after Leela discovers that her daughter is pregnant.

She agrees to let Angela Brown (Adele Silva) and her husband Mark (Ben Faulks) adopt the baby.

In the woods, Nico locks them up is an abandoned bunker deep within the forest and when Peri realises that they are trapped, she screams for help.

Peri begins meeting with Cameron in secret, helping his reconcile with Leela by organizing a holiday in a cabin in the woods.

However, they find the corpse of Celine McQueen (Sarah George), Cameron's ex-girlfriend, floating in the lake.

A girl called Harley Frater (Mollie Lambert) arrives in the village with information about Peri; Leela lets her stay but she robs her purse and runs away.

They are eventually saved by Damon Kinsella (Jacob Roberts) and Dirk Savage (David Kennedy) and Harley is rushed to hospital.

Peri begins a secret relationship with Jordan Price (Connor Calland) and is shocked to find drugs in his bag.

Jordan is later arrested when he is found with a bag of drugs and Peri expresses her disgust with their relationship, which she ends.

Unbeknownst to Peri and Juliet, landlord Fergus Collins (Robert Beck) installs a secret camera in their bedroom, making them famous camgirls.

[28] For her onscreen relationship with Juliet, both O'Donnell and Blackshaw were nominated for Best Soap Partnership at the I Talk Telly Awards.

[29] In 2014, Tina Campbell from Metro called Tom and Peri the soap's "cutest couple" following their first kiss.