There is a difference between the "label" that Sourcer optionally creates and the "source title". MLA citations don't have an equivalent of the label.
So for this obituary clip, the MLA citation provided by newspapers.com is:
"Obituary for Fred Smith SMITH" Newspapers.com, The Manhattan Mercury, April 14, 1938, https://www.newspapers.com/article/the-manhattan-mercury-obituary-for-fred/138750225/
and the citation generated by Sourcer is
* '''1938 Newspaper''': "Newspapers.com"<br/>The Manhattan Mercury (Manhattan, Kansas) Thu, Apr 14, 1938, page 2<br/>{{Newspapers.com|138750225}} (accessed 15 January 2024)
So I could include the clip title in the source title like this:
* '''1938 Newspaper''': "Obituary for Fred Smith SMITH" Newspapers.com<br/>The Manhattan Mercury (Manhattan, Kansas) Thu, Apr 14, 1938, page 2<br/>{{Newspapers.com|138750225}} (accessed 15 January 2024)