This is the 5584th most frequent Dutch word.
mcconnell
The word "McConnell" is not Dutch; it is a proper noun, typically a surname in English, and does not have a specific meaning in Dutch.
Here, 'McConnell' is used as a proper noun referring to a person, presumably an individual organizing the conference.
McConnell organiseerde een conferentie over gezondheid.
McConnell organized a conference on health.
In this context, 'McConnell' is again a proper noun, referencing a person whose political views were discussed in the news article.
In de krant las ik een artikel over de politieke visie van McConnell.
In the newspaper, I read an article about McConnell's political vision.
The term 'McConnell' here is used in a generalized sense referring to an association between the name and the field of politics.