It appears that you and your daughter are sharing the same Apple ID. When you do this, the overlap of data (Photos, Texts, Notes etc) happens. If you are sharing the same Apple ID then my recommendation is that you not do that and look into using separate Apple IDs and 👉 Family Sharing.
On your iPhone, iPad, or Apple Vision Pro
Remove your associated iPhone or iPad
Review which apps you have given access to your Photo Library. If you give an app access to your Photo Library, the app can save any photo there. To see which apps you have given access, go to Settings > Privacy & Security > Photos.
How to Turn Off Shared Photos on iPhone
Go to Settings > Family. Tap [your name], then tap Stop Using Family Sharing.
Using the same Apple ID, Google account, or cloud storage service can make your husband's phone look linked to yours. Other things that can create the same effect include shared albums, file-sharing features, location sharing, or third-party apps that sync across devices.
You joined someone else's shared album. You uploaded someone else's files to your Google Drive (these photos are no longer synced with Google Photos though) You sold a device (or lost a device) without resetting it to factory defaults and are now seeing the new device owner's photos.
If your Apple ID has been hacked remotely, attackers can see your photos, erase your phone, read your backups, and access iCloud data. Unexpected password prompts, being signed out without cause, or sudden lockouts are signs that someone else may already be trying to control your account.
Use your parental device
Manage, review, or leave your conversations & albums
To stop people from adding photos:
If a malicious actor has simply enabled your phone's built-in mirroring tools, you should be able to see a notification in your phone's top bar indicating this. On Android, this will usually say “Link to Windows” or “Casting,” while iOS users should look for anything mentioning mirroring or “Phone Link.”
How To Manually Unlink iPhones From iCloud. Step 1: Shut down the device. Step 2: Go to icloud.com, then select Find iPhone > all devices. Step 3: Browse the list of devices, then select the one you want to unlink.
If your Google account has been connected to someone else's account or shared albums have been given without consent, their photos may appear in your app.
On your iPhone, iPad, or Apple Vision Pro
Under Saved to iCloud, tap Photos. Deselect "Sync this [Device]" to turn off iCloud Photos.
She is logged into your iCloud account. You can either: A) Log out of your iCloud account on her device (Go to the iCloud settings on her device and tap, "Delete Account" this will just remove it from her device). B)
On the Google Photos mobile app: