The Unfiltered Truth: 7 Shocking Facts About Mariah Morse, Matt Rife's Fitness Star Girlfriend

The spotlight on Mariah Morse has intensified dramatically, not just for her booming career as a certified fitness coach and influencer, but for her high-profile relationship with comedian Matt Rife. As of December 15, 2025, the couple continues to be a hot topic, with fans and critics alike scrutinizing every detail of their lives, from their joint social media posts to their latest, quirky purchase of a 'haunted' house. This article dives deep into the latest, most current, and often surprising facts about the woman behind the "Grow with Mariah" fitness empire.

Mariah Morse is far more than just a celebrity girlfriend; she is a driven entrepreneur, a successful bodybuilding competitor, and a powerful voice in the health and wellness space. Her journey from a small-town girl in Pennsylvania to a globally recognized fitness star is a testament to her dedication, making her one of the most talked-about content creators of the moment.

Mariah Morse: Full Biography and Professional Profile

Mariah Morse has built a substantial career based on her expertise in personal training and nutrition. Here is a comprehensive look at her background and professional journey.

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• Full Name: Mariah Kay Morse
• Primary Profession: Certified Personal Trainer, Nutrition Coach, Fitness Model, Social Influencer, Strength Coach
• Hometown: Coudersport, Pennsylvania
• Education: Studied Health Care Management at Misericordia University
• Early Career Roles: Chiropractic Assistant, Emergency Room Patient Access Representative
• Notable Achievements: Winner at the 2020 NPC Pennsylvania State Championships (Bodybuilding)
• Signature Program: "Grow with Mariah" (Hypertrophy Strength Training) on the Sweat App
• Estimated Net Worth: Approximately $1.2 Million
• Key Endorsements: 1st Phorm Athlete/Ambassador, Alphalete, DFYNE
• Relationship Status: Dating Comedian Matt Rife (Confirmed early 2025)

1. Her Multi-Million Dollar Fitness Empire is Built on Hypertrophy Training

While many influencers rely solely on brand sponsorships, Mariah Morse has established a highly lucrative business as a certified professional. Her income streams are diverse and professionally structured. Her estimated net worth is around $1.2 million, a figure fueled by her coaching clientele and major brand deals.

Her most famous product is the "Grow with Mariah" program, which is exclusively available through the popular Sweat App. This is a hypertrophy strength training program, focusing on muscle growth, and positions her as a serious strength coach in the competitive fitness landscape. She also offers personalized coaching through her proprietary "Morse Code Macros" program, which reportedly nets a significant quarterly income.

2. She is a Champion Bodybuilding Competitor

Mariah's credibility as a fitness expert is cemented by her history in competitive bodybuilding. She is not just a model; she is an athlete. In 2020, she achieved a significant victory at the NPC Pennsylvania State Championships. This competitive background provides a strong foundation for her coaching career, giving her topical authority and distinguishing her from general lifestyle influencers.

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Beyond her own programs, she is a high-profile ambassador for 1st Phorm, a leading sports nutrition brand, and partners with major activewear labels like Alphalete and DFYNE. Her Instagram profile, boasting over 150,000 followers, is a hub for workout content, brand collaborations, and motivational posts.

3. The Matt Rife Relationship: Timeline and The 'Annabelle' House

Mariah Morse's relationship with comedian Matt Rife became public knowledge in early 2025, quickly becoming one of the most talked-about celebrity pairings. The couple first sparked dating rumors in March 2025, and have since shared glimpses of their life together across social media.

One of the most bizarre and recent news items surrounding the couple is their joint purchase of a house that was once rumored to contain the infamous haunted doll, Annabelle. Rife and Morse shared the news with their fans, humorously referring to themselves as the doll's "legal guardians," showcasing a playful and unique side to their relationship. This high-profile coupling has inevitably led to intense media scrutiny, which Rife himself has acknowledged, noting the difficulty in keeping their private life protected from the "beast" of the internet.

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4. Addressing the Rumors: OnlyFans and Leaked Content Speculation

Given the nature of her high-profile status and the attention paid to celebrity relationships, Mariah Morse has been the subject of various online rumors, including speculation about an OnlyFans account or "leaked" content. It is important to note that as of the latest information, there is no confirmed evidence of Mariah Morse having an OnlyFans profile or any verified "leaked" adult content.

Her public content remains firmly rooted in the health and fitness niche, focusing on workouts, nutrition, and lifestyle. The rumors appear to stem from general internet gossip and the intense scrutiny that any partner of a major celebrity faces. In fact, some of the online chatter revolves around speculation that she may have strategically "leaked her own story to TMZ" to boost her social media growth and attention, highlighting the cynical nature of online celebrity commentary.

5. Her Career Began Far From the Gym and Social Media

Before becoming a renowned fitness model and social influencer, Mariah Morse had a very different professional life. Her early career was rooted in the healthcare sector. She worked as an Emergency Room Patient Access Representative and a Chiropractic Assistant. This background in direct patient interaction and healthcare management provides an interesting contrast to her current life as a digital entrepreneur and strength coach.

She studied Health Care Management at Misericordia University, demonstrating a foundational interest in health and wellness that predates her social media fame. This diverse professional experience underscores her drive and ability to pivot her career toward her passion for fitness.

6. The 'Morse Code Macros' Program is a Key Revenue Driver

Beyond her Sweat App program, Mariah's personal coaching service, dubbed "Morse Code Macros," is a significant component of her business model and net worth. This highly personalized service focuses on macro-nutrient coaching, a popular method for body composition change in the fitness world. The success of this program demonstrates her ability to monetize her expertise effectively, moving beyond passive income from modeling to active, high-value coaching.

Her dedication to this field is evident in her certified status as both a Personal Trainer and a Nutrition Coach, qualifications that support the efficacy and authority of her coaching services.

7. She Faces Intense, and Often Unfair, Online Scrutiny

The relationship with Matt Rife, who has his own history of online controversies, has placed Mariah Morse under a constant, unforgiving microscope. The intensity of the online beast has led to the creation of entire Reddit communities dedicated to dissecting her life, with some threads containing harsh and unverified accusations. This level of public exposure is a common, though unfortunate, side effect of dating a controversial and popular comedian.

Despite the negative attention, Mariah has continued to focus on her professional career, leveraging her social media presence to promote a positive message of health, strength, and fitness. Her ability to navigate the complexities of celebrity life while maintaining a successful, professional brand is a key aspect of her current public persona.