Can I transfer to my return some or all of the disability tax credit from my spouse who passed away in 2018?

I'm sorry for your loss.

Yes, you can. Ensure you enter that you are preparing this return for a deceased spouse at the beginning of your tax return under your spouse's information. Then proceed with instructions below:

• How do I claim the disability tax credit transferred from my spouse/partner or dependant? https://turbotax.community.intuit.ca/replies/3293463