**** This dataset accompanies the publication "Isotropic liquid crystal elastomers as exceptional photoelastic strain sensors" by Devesh Mistry, Maryam Nikkhou, Thomas Raistrick, Mariam Hussain, Ethan I. L. Jull, Daniel. L. Baker and Helen F. Gleeson Published in Macromolecules Paper DOI: 10.1021/acs.macromol.9b02456. Corresponding author - Devesh Mistry email addresses: 1) deveshmistry@outlook.com 2) d.a.mistry@leeds.ac.uk 3) devesh.mistry@ucdenver.edu *** The zipped folders of this dataset contain data and analysis used in each figure of the paper.