Mariah Aliyana Soutar in 2026: Net Worth and Height, Age, Relationship Status, and FAQs

Who is Mariah Aliyana Soutar?

If you have been scrolling through TikTok lately, chances are you have come across Mariah Aliyana Soutar. She goes by the name MariahTheOptimist online and has built a pretty solid following for someone who is still in high school. Born on September 19, 2009, in Brisbane, Queensland, Australia, Mariah is currently 16 years old and already making waves in the social media world.

She first popped up on TikTok back in 2024 when she was about 14. Her content is a mix of beauty transformations, aesthetic lifestyle clips, comedic memes, dances, and lip sync videos. What really sets her apart is the positive energy she brings to everything she posts. She often tells her followers things like "Ur authenticity makes u cool btw," which has become sort of her signature vibe.

Icon Polls has been tracking her rise over the past year, and it is clear that Mariah is not just another TikTok creator. She has signed with Tamblyn Model Management in Australia and has started landing brand deals, including a paid partnership with EvryJewels. For a 16 year old balancing school and content creation, that is pretty impressive.

Early Life and Family

Mariah Aliyana Soutar was born and raised in Brisbane, Queensland, Australia. She comes from a mixed background with Maori and Pacific Islander roots on one side and European ancestry on the other, specifically English and Scottish heritage. The last name Soutar itself has English and Scottish origins that trace back to Northwestern Europe.

She grew up in a Christian household alongside her two sisters, Arabella Jazlyn Soutar and Naiomi Soutar. Her family seems pretty close knit based on what she shares online, and they pop up in her content from time to time. Right now, Mariah is in her sophomore year of high school, which means she is juggling classes, homework, and a growing social media career all at once.

Height and Physical Appearance

One of the most searched questions about Mariah online is how tall she is. She stands at 5 feet 8 inches, which is about 173 cm. That is actually pretty tall for her age and it probably helps with her modeling career too. She weighs around 56 kg or 123 lbs.

She has dark brown eyes, dark brown hair that leans brunette, and a medium warm olive skin tone. Her body measurements are reported as bust 31.5 inches, waist 25 inches, and hips 35 inches, which puts her at a dress size AU 8. Her look fits right into the aesthetic content she creates and the modeling work she does with Tamblyn Management.

Career and Rise to Fame

Mariah launched her TikTok account under the handle mariahaliyana in 2024. She was in her freshman year at the time and started posting aesthetic lifestyle compilations and beauty transformation videos. The "aestheticmaxxing" trend was picking up and Mariah rode that wave perfectly. Her content felt genuine and polished at the same time, which is a hard balance to strike.

Things really took off when she started gaining traction with her comedic memes and relatable student content. By 2026, she had earned over 230,000 followers on TikTok with millions of likes on her videos. She also built a presence on Instagram under the handle mariahalyana. In 2026, she visited the United States through a student foreign exchange program, which gave her content an international flavor.

Her modeling career is another layer to her story. She signed with Tamblyn Model Management and has been working on regional campaigns. She has also landed brand partnerships, most notably with EvryJewels.

Net Worth

When it comes to Mariah Aliyana Soutar net worth in 2026, there is no official number out there since she is still very early in her career. However, based on our research at Icon Polls, we estimate her net worth to be somewhere between $100,000 and $150,000.

That might sound like a lot for a teenager, but keep in mind that TikTok creators with her level of following can earn through multiple streams. There is the TikTok Creator Fund, brand partnerships like her deal with EvryJewels, and modeling work through Tamblyn Management. As her following continues to grow, Icon Polls expects that number to climb in the coming years.

Relationship Status

Mariah Aliyana Soutar keeps her romantic life completely private. She has not publicly confirmed any relationship or boyfriend, and her content tends to focus on friendships, family, school life, and creative projects. At 16, she seems focused on building her career and enjoying her teenage years rather than putting her personal life on display. That is a smart move, honestly.

Frequently Asked Questions About Mariah Aliyana Soutar

1. How old is Mariah Aliyana Soutar?

Mariah Aliyana Soutar is 16 years old as of 2026. She was born on September 19, 2009.

2. Where is Mariah Aliyana Soutar from?

She is from Brisbane, Queensland, Australia. She was born and raised there.

3. How tall is Mariah Aliyana Soutar?

Mariah stands at 5 feet 8 inches tall, which is about 173 cm.

4. What is Mariah Aliyana Soutar net worth in 2026?

Icon Polls estimates that Mariah Aliyana Soutar net worth is between $100,000 and $150,000 as of 2026.

5. What is Mariah Aliyana Soutar real name?

Her real name is Mariah Aliyana Soutar. She goes by the online name MariahTheOptimist.

6. Does Mariah Aliyana Soutar have a boyfriend?

Mariah has not made any relationship public. She keeps her romantic life private and focuses on her content and career.

7. What is Mariah Aliyana Soutar zodiac sign?

Her zodiac sign is Virgo, since she was born on September 19.

8. What is Mariah Aliyana Soutar ethnicity?

She has Maori and Pacific Islander heritage mixed with European ancestry, including English and Scottish roots.

9. Does Mariah Aliyana Soutar have siblings?

Yes, she has two sisters named Arabella Jazlyn Soutar and Naiomi Soutar.

10. What school does Mariah Aliyana Soutar attend?

She is currently a sophomore in high school in Brisbane, Australia. The specific school name has not been made public.

11. What is Mariah Aliyana Soutar TikTok handle?

Her TikTok handle is @mariahaliyana. She has over 230,000 followers on the platform.

12. What is Mariah Aliyana Soutar Instagram?

Her Instagram handle is @mariahalyana.

13. What modeling agency does Mariah Aliyana Soutar work with?

She is signed with Tamblyn Model Management in Australia.

14. What brands has Mariah Aliyana Soutar worked with?

She has had a paid partnership with EvryJewels and is involved in regional modeling campaigns through her management.

15. What is Mariah Aliyana Soutar weight?

She weighs approximately 56 kg, which is about 123 lbs.

16. What religion is Mariah Aliyana Soutar?

Mariah was raised in a Christian household.

17. What is Mariah Aliyana Soutar known for?

She is known for her TikTok content, which includes comedic memes, lip sync videos, dances, beauty transformations, and aesthetic lifestyle clips. She also promotes positivity and self confidence.

18. Has Mariah Aliyana Soutar been to the United States?

Yes, in 2026, Mariah visited the United States as part of a student foreign exchange program.

19. What is Mariah Aliyana Soutar eye color?

She has dark brown eyes.

20. What is Mariah Aliyana Soutar hair color?

Her hair color is dark brown, sometimes described as brunette.

21. When did Mariah Aliyana Soutar start TikTok?

She launched her TikTok account in 2024 when she was about 14 years old.

22. What content does Mariah Aliyana Soutar create?

She creates aesthetic lifestyle compilations, beauty transformations, comedic memes, dances, and lip sync performances. She is also known for her positive and uplifting messages.

23. What is Mariah Aliyana Soutar nationality?

She is Australian.

24. Is Mariah Aliyana Soutar a model?

Yes, she is signed with Tamblyn Model Management and works on fashion and beauty campaigns in Australia.

25. What are Mariah Aliyana Soutar body measurements?

According to Icon Polls findings, her measurements are bust 31.5 inches, waist 25 inches, and hips 35 inches, with a dress size of AU 8.