Who is Mariah Morse? Meet Matt Rife’s girlfriend and fitness model
Mariah Morse is a certified fitness coach and influencer who is reportedly in a relationship with comedian and actor Matt Rife. 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.
Source: UGC
TABLE OF CONTENTS
Key takeaways
- Mariah Morse, 26, is a Pennsylvania-born fitness trainer with a degree in health care administration.
- She has over 153,000 Instagram followers, sharing workout content and brand collaborations as a fitness model and influencer.
- Her relationship with comedian Matt Rife became public in March 2025, a year after his split from actress Jessica Lord.
Profile summary
| Full name | Mariah Morse |
| Gender | Female |
| Date of birth | 12 July 1999 |
| Age | 26 years old (as of 2025) |
| Zodiac sign | Cancer |
| Place of birth | Coudersport, Pennsylvania, USA |
| Nationality | American |
| Ethnicity | White |
| Sexuality | Straight |
| Height | 5'6" (167 cm) |
| Weight | 53 kg (116 lbs) |
| Hair colour | Blonde |
| Eye colour | Brown |
| Relationship status | Dating |
| Boyfriend | Matt Rife |
| University | Misericordia University |
| Profession | Personal trainer, nutrition coach, model |
| Social media |
Mariah Morse collaborates with a sports nutrition brand
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.
Source: Original
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.
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.
Mariah Morse is three years younger than her boyfriend
Mariah Morse, a Pennsylvania native born on July 12, 1999, is 26 years old. She is three years younger than Matt Rife, a detail that fans say adds a playful dynamic to their relationship.
In a sweet gesture to mark her birthday, Just Jared reported that the comedian shared their first photos via Instagram Story, writing:
Happy birthday, @mariahkay_12, my lil meatball.
Source: Getty Images
Matt Rife's relationship with a girlfriend became public in early 2025
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:
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.
Source: Instagram
She keeps her relationship with the comedian mostly private
Despite growing public interest in their relationship, Matt Rife and his alleged girlfriend have 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?
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.
With over 153,000 Instagram followers, she shares fitness and lifestyle content while collaborating with luxury brands like Alphalete activewear.
Source: Instagram
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.
Final word
While Mariah Morse is building her name as a fitness coach and influencer, her relationship with Matt Rife has drawn the most attention. Despite the spotlight, the couple keeps much of their personal life out of the public eye.
READ MORE: Details about Matt Rife's dating history
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
