Widely known for being the youngest child featured on the Smith Family Circus YouTube channel. She has gained popularity there alongside her parents and two siblings for vlogging their everyday family life.
Her YouTube channel was created in May 2016.
She has seen her YouTube channel earn more than 20,000 subscribers. She also has her own YouTube channel titled Totally Tierney. She has danced for her mother's C&C Dance Company troupe.
She and Daisy's Toy Vlog are both known for their family vlogging on YouTube.