Who is Mariah Morse? Meet former Matt Rife’s girlfriend and fitness model

Mariah Morse is an American fitness model, personal trainer and nutrition coach who has gained attention for her work in the fitness industry. She also attracted public interest through her relationship with comedian Matt Rife. Her career, fitness journey and personal life have made her a name of interest to many people.

Key takeaways

• Mariah Morse is a Pennsylvania-born fitness trainer.
• She shares workout content and brand collaborations as a fitness model and influencer on social media.
• Her relationship with comedian Matt Rife became public in March 2025, and they split in early 2026.
• Mariah earned a bachelor’s degree in health administration from Misericordia University.
• She won the 2025 Summer Shredding Championship.

Profile summary

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Who is Mariah Morse?

Mariah Morse is an American fitness trainer, nutrition coach, bodybuilder and social media personality known for sharing workout routines, nutrition tips and lifestyle content online. She was born on July 12, 1999, in Pennsylvania, and holds a bachelor's degree in health administration from Misericordia University, which she earned in 2021.

Due to his busy touring schedule, he once spoke openly about the strain relationships face, saying:

I kind of hate dating... When I'm touring six days a week, 52 weeks out of the year, it’s incredibly hard to maintain a relationship.

How old is Mariah Morse?

Mariah Morse's birth date is July 12, 1999, making her age 27 in 2026. She was born in Pennsylvania, United States.

Where is Mariah Morse from?

She was born in Pennsylvania, United States, a small borough located in the northern part of the state.

Mariah Morse collaborates with a sports nutrition brand

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Following a short time working in healthcare, she earned her certification in 2023 and currently works as an Independent Living Coordinator.

She also partners with 1st Phorm, a U.S.-based sports nutrition brand known for high-quality products and a strong fitness community. In an Instagram post, she expressed her appreciation for the brand:

I'm so thankful to be part of a team that actually lives out its values and pushes you to be your best, in and out of the gym. Every time I am around this team, I feel so motivated and grounded in why I do what I do. It's not just about fitness; it's about showing up, being consistent, and helping others do the same.

She holds a degree in health care administration

Mariah Morse earned her Bachelor of Arts degree in Health Care Administration from Misericordia University in Dallas, Pennsylvania, graduating in May 2021. To celebrate the milestone, she shared a playful Instagram post featuring family and friends, captioned:

Thanks for the mems, Mis. I highkey had my cape on wrong the whole time, I know.

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She is a certified fitness coach

According to Mariah's LinkedIn profile, she is a certified Personal Trainer and Nutrition Coach from Coudersport, Pennsylvania.

She began as a Chiropractic Assistant intern at a Multi-Care Centre, then worked as an ER Patient Access Representative at Evangelical Community Hospital.

Who is Mariah Morse's husband?

The fitness enthusiast is not married. She previously dated comedian Matt Rife from March 2025 until their reported split in early 2026.

What is Mariah Morse and Matt Rife's age difference?

Mariah is three years younger than Matt Rife.

How did Morse and Rife meet?

While the details of when the lovebirds first met remain unclear, TMZ first reported Matt Rife dating the fitness model in March 2025, after they were spotted holding hands outside a Rhode Island club.

This occurred about a year after the comedian’s breakup with British actress Jessica Lord in March 2024. In his 800-Pound Gorilla stand-up special, Rife reflected on the split, saying:

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I went through a horrible breakup at the beginning of this last year, and I thought it was such a low in my life; nothing positive was going to come out of this. [But] it made me realise so much about myself... the standards I wanted to set.

She keeps her relationship with the comedian mostly private

Despite growing public interest in their relationship, Mariah Morse and Matt Rife remained mostly private, sharing only occasional glimpses on Instagram.

This low-key approach reflects the comedian’s earlier remarks about balancing relationships with career demands. In a 2023 interview with Esquire, he said:

I do meet women who are fantastic human beings that I'm like, ‘Wow, you're such a lovely person... you'd be an excellent mother and excellent wife, excellent girlfriend, you check all these boxes, but I might not be in a position right now to fulfil your needs as a responsible boyfriend.’ So I wonder if I am missing out on wonderful people, you know?

Are Matt Rife and Mariah Morse still together?

Matt Rife and Mariah Morse have reportedly split up. The comedian and the fitness influencer broke up, according to a new report, following the first reports that they were dating back in March of last year. Sources told TMZ that they “recently called it quits,” but there was no reason was given.

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They have also unfollowed each other on social media, adding to the speculation they were no longer together. It’s not entirely clear how long they were together before news broke of their romance.

Mariah has a sizable social media following

While Matt Rife's relationship with his 'new girlfriend', Mariah, gained attention, the fitness coach and model has also grown her presence as a social media influencer. She shares fitness and lifestyle content while collaborating with luxury brands like Alphalete activewear.

Frequently asked questions

• Are Matt Rife and Jessica Lord still together? The former couple ended their relationship in March 2024 after nine months of dating.
• How did Matt Rife meet Mariah Morse? While the exact details are unknown, the two were first seen together at a Rhode Island club in early 2025.
• Who is Mariah Morse to Matt Rife? The Pennsylvania-born fitness coach is the current girlfriend of the comedian.
• Who is Matt Rife’s ex-girlfriend? She is British-Canadian actress and dancer Jessica Lord.
• How much is Mariah Morse's worth? Mariah Morse’s net worth has not been publicly disclosed as of 2026.

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Mariah Morse has built her own profile through fitness, nutrition and social media content. While her relationship with Matt Rife brought her additional attention, she is also recognised for her work as a fitness professional. Her career continues to shape her public profile beyond her connection to the comedian.

As Briefly.co.za published, Matt Rife’s most public relationship came in 2017, when he dated Kate Beckinsale, then 43, while he was just 21, an intense and short‑lived romance.

Along with multiple overlapping connections to other women, including someone referred to as Irina, the dating history of Matt Rife paints a picture of a comedian whose rising fame has often intersected with a dynamic and sometimes messy love life.

Source: Briefly News