Those are not several studies. One is a blog, the other two are news items, and they all appear to reference the same study. That study has several disclaimers,

Those are not several studies. One is a blog, the other two are news items, and they all appear to reference the same study. That study has several disclaimers, including that it does not show an increase in suicides (it shows an increase in suspected attempts) and that it does not show a causal link to the pandemic.