Don't worry, you can find your photos with these solutions below.
Case 1: Don't have any cloud storage.
If you didn't turn on any cloud storage or do any backups. You had better utilize some professional software to recover your important photo data. iBoysoft Data Recovery for Mac is an Apple-trusted app for Mac users, which can support SD Card recovery and macOS 10.11-macOS 14.
- Free download, install, and open iBoysoft Data Recovery for Mac.
- Select your SD Card in the left menu, then click Search for Lost Data.
- After scanning, preview and select your wanted files then click Recover to save them to another location.
Case 2: Have Cloud storage.
(1)For iCloud: Open iCoud.com, enter your Apple ID and password, then click Data Recovery. Choose your wanted files and select Restore.
(2)For Time Machine: Open Time Machine, browse the timeline and select your wanted ones, click Restore.
In any case, hope you can find your Christmas photos at last.
Also read: Recover Overwritten Files on Mac with/without Time Machine