The Kalogeras Sisters: Unveiling The Oldest Sister And Their Viral TikTok Empire

The question of who is the oldest Kalogeras sister is one of the most frequently searched queries about the viral Greek-Canadian trio, and as of December 10, 2025, the definitive answer is clear. The Kalogeras Sisters—comprising Sunday, Demitra 'Mia', and Eliana 'Markella'—have rapidly cemented their status as a social media phenomenon, transitioning from simple vloggers to beauty moguls with millions of followers across YouTube and TikTok. Their massive online presence and distinct personalities have driven immense curiosity about their individual lives, particularly their ages and birth order, which is crucial to understanding their dynamic.

The trio's content, which blends high-energy vlogging, fashion, beauty routines, and a proud display of their Greek heritage, has captivated a global audience. While they operate as a unified brand, the roles and influence of each sister vary, often leading fans to speculate about the hierarchy, which is intrinsically linked to who holds the title of the eldest. Below, we break down the full biographical profile of each sister to set the record straight on the Kalogeras family's birth order and explore the foundation of their digital success.

The Complete Kalogeras Sisters Biography and Birth Order

The Kalogeras sisters are a Greek-Canadian trio who rose to prominence for their engaging and often humorous content on platforms like YouTube and TikTok. They are known for their distinct appearances, relatable sisterly dynamics, and high-production-value videos. Their real names are Kyriaki, Demitra, and Eliana, but they are more commonly known by their nicknames: Sunday, Mia, and Markella.

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The sisters were raised in Edmonton, Alberta, Canada, and have openly shared their proud Greek heritage, often incorporating cultural elements into their videos, which adds a unique layer of topical authority to their brand. Their collective following now exceeds tens of millions, making them one of the most influential sister groups online. Here is the definitive birth order and biographical breakdown:

• 1. Sunday Kalogeras (Kyriaki) - The Oldest Sister
  • Full Name: Kyriaki Kalogeras
  • Common Name: Sunday Kalogeras
  • Date of Birth: May 26, 2003
  • Age (as of late 2025): 22
  • Role in Trio: Often seen as the most 'mature' presence and the primary driver of content direction. Her strong personality and business-savvy approach are frequently highlighted.
  • Zodiac Sign: Gemini
• 2. Demitra Kalogeras (Mia) - The Middle Sister
  • Full Name: Demitra Kalogeras
  • Common Name: Demitra 'Mia' Kalogeras
  • Date of Birth: February 24, 2006
  • Age (as of late 2025): 19
  • Role in Trio: The middle child, Demitra is known for her vibrant energy and often contributes significantly to the trio's viral dance and challenge content.
  • Zodiac Sign: Pisces
• 3. Eliana Kalogeras (Markella) - The Youngest Sister
  • Full Name: Eliana Kalogeras
  • Common Name: Eliana 'Markella' Kalogeras
  • Date of Birth: August 5, 2007
  • Age (as of late 2025): 18
  • Role in Trio: The youngest, Eliana, brings a youthful perspective and is a key figure in their beauty and fashion-focused content, often leading the makeup and hair tutorials.
  • Zodiac Sign: Leo

Based on their birth dates, the hierarchy is definitively established: Sunday Kalogeras is the oldest Kalogeras sister, followed by Demitra 'Mia', and finally, Eliana 'Markella'.

Sunday Kalogeras: The Eldest Sister's Influence and Role in the Empire

Sunday Kalogeras, or Kyriaki, stands at the helm of the Kalogeras Sisters brand, a role that naturally comes with being the eldest. Born in May 2003, she is the most senior member, and her maturity and strategic mindset are often credited with steering the collective's professional trajectory. Her influence extends beyond just being the 'big sister' in family vlogs; she is a crucial business partner.

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In the digital world, the eldest sibling often sets the tone and manages the business side of a family brand, and Sunday is no exception. She is frequently the one engaging in high-level brand negotiations and overseeing the production quality of their content. Her leadership is evident in the trio's ability to secure major brand deals with global companies like Fenty Beauty and Paul Mitchell, transforming their online popularity into a burgeoning beauty business empire.

This business acumen is a key LSI (Latent Semantic Indexing) factor that connects the Kalogeras sisters' personal story to broader topics like influencer marketing and digital entrepreneurship. Fans are drawn not only to their sisterly antics but also to the aspirational story of young women building a successful enterprise.

The Kalogeras Sisters' Viral Trajectory and Topical Authority

The Kalogeras sisters' rise to fame was swift and explosive, fueled by their authentic sisterly dynamic and high-quality production. They are a prime example of Gen Z content creators who understand the nuances of platforms like TikTok and YouTube. Their topical authority is built on several key pillars:

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• Greek-Canadian Heritage: Their willingness to showcase their Greek culture—from food to family traditions—makes their content unique and appeals to a diaspora audience, adding a layer of cultural topical authority.
• Beauty and Fashion: As young women deeply immersed in current trends, their makeup tutorials, haul videos, and fashion challenges are highly relevant and drive massive engagement, attracting lucrative brand collaborations.
• Relatable Sister Dynamics: Their vlogs often feature playful arguments, emotional moments, and shared experiences, making them highly relatable to viewers who have siblings. This authenticity is a powerful engine for growth.

In 2024 and 2025, the sisters continued to dominate social media trends, with major events like their Coachella vlog garnering millions of views. However, their rapid fame has also brought them into the spotlight for controversy, including a brief period of discussion about a potential "cancellation," which is common for high-profile social media stars. This scrutiny, while challenging, only further solidifies their status as major celebrity influencers.

Addressing Sensitive Search Queries and Future Outlook

The intense public interest in the Kalogeras sisters has led to a surge in search queries that border on the sensitive, such as those related to "Kalogeras sisters leaked" or celebrity privacy. It is important to note that these searches are often driven by curiosity surrounding high-profile figures, but there is no credible, verified information to support these rumors. The sisters' content remains focused on family-friendly vlogging, beauty, and their entrepreneurial journey.

The focus on their business development, particularly their beauty brand ventures, suggests a strategic move toward long-term monetization and stability beyond transient TikTok trends. The blend of Sunday's leadership, Demitra's energy, and Eliana's youthful appeal creates a powerful, multi-faceted brand that appeals to a wide demographic. As the oldest sister, Sunday Kalogeras will likely continue to guide the strategic direction, ensuring the Kalogeras Sisters remain a dominant force in the digital space for years to come.