[5] In 1860, on their brother's marriage, Jane and her sister Elizabeth left Babraham for Penrhos, Anglesey, where they lived with their uncle.

Adeane commissioned Plas Alltran, Holyhead on Anglesey, as part of her redevelopment of the Blackbridge area of the town.

[6][11] A report on the history of Plas Alltran, stated:Miss Jane Adeane is now a largely forgotten figure in the history of Holyhead but during the late nineteenth and early twentieth centuries she was a leading figure in the town and gave freely of her time and money for the betterment of the town.

[5] A commemorative plaque was placed in St Cybi's Church, Anglesey, where a new gateway and gate funded by Adeane was built in 1927.

She caused this chapel to be built and the monument herein erected to the memory of her Uncle William Owen Stanley.Around 1934, Violet Isabel Martineau, her niece, wrote a biography of Adeane.