The Illustrated London News does not appear to be well indexed in any of the sources available at MU. Some volumes are available and can be searched via the Hathi Trust Digital Library. Some volumes are available here and others here. There is also very partial indexing here.
The MU Libraries collections include many 19th century periodicals in print format. We list here some of the major examples. If you need to request volumes from the Depository, click on the title below to open the MERLIN catalog record, then click on "Request" at the top of the screen and follow the directions.
Most of these have also been digitized and are searchable in full text as part of the Hathi Trust Digital Library or may be available online in the British Periodicals database. To search within a specific journal in the Hathi Trust Digital Library, use the Advanced Catalog Search to locate the specific journal record, then view the catalog record to see the individual years. Click on a year to open the full text and search within that volume. Note that different catalog records come from different libraries and may contain different years. A volume that is not available in one place, may well be in another.
And some American examples: