Families Tasmania - formally Child Health Association Tasmania - rebranded to better represent the service it delivers.

It celebrated the launch with a Family Fun Day on Tuesday.

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Families Tasmania chief executive Liz Crane said the rebranding was necessary to make sure the not-for-profit was kept relevant in the Tasmanian context, and that families could find the service when needed.

"It has been broadly recognised that, while a fitting acknowledgement of what it did in the past, [CHAT] is a name that does not fully reflect the holistic work the organisation does today and is often confused with other service providers," she said.

"It is our intention that, by renaming and rebranding ... we will position the organisation to better meet the needs and expectations of Tasmanian families."

The new name was chosen following board discussions and a public vote, which highlighted Families Tasmania as the most fitting representation of the organisation's mission.

Families Tasmania regional coordinator for the North and North-West Susannah Koch said the rebranding process had been a long journey, but a worthwhile one.

"We are a resource for the community for any sort of information where you are not necessarily needing to engage with a health professional, but you are looking for really good family and parenting support," she said.

The not-for-profit supports families in a range of ways including with play gyms, family walking groups, mindfulness sessions, and healthy eating.

The rebrand launch event also provided a fun activity for families during the school holiday period.

Launceston mum Lauren Makepeace said her children loved the event, with lots to do and see.

"We have been coming to [Families Tasmania] events for a long time," she said.

Ms Crane said the event had been a success, with days such as the rebrand launch a soft entry space for parents to become involved.

"Post COVID-19, we really found that families ... are really seeking out the face-to-face connection, and that children particularly missed that during the COVID lockdown," she said.