The dress, on show until Saturday November 23, is thought to have been worn by Mary-Jane MacDougall to meet King George IV when he made his celebrated visit to Edinburgh in 1822.
Space-making proposals for Dunollie Museum, Castle and Grounds, have been passed by Argyll and Bute Council planners.
More than 300 people took part in the celebrations
Families can add an engraved leaf with the baby’s name onto the tree
Dunollie Museum and Castle has made space in its gardens for a remembrance tree sculpted out of copper