No. If you could not use the charitable donations as itemized deductions for 2018, you cannot stick them onto your 2019 return. Sorry. If you did not have enough itemized deductions in 2018 to use them, you got your standard deduction instead.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**