How to do reverse image search in Google Images Search:

1. Find and copy the original direct URL of the image which needs identifying.

2. Go to Google Image Search and click on the camera icon in the search box…

is1

3. A search dialogue box will open. Paste the image’s URL into the box, and search…

is2

4. View results…

is3

You can also upload an image, as well as just paste an URL.