A further unsolicited opinion is given in the Register on 27 October 1886:

I think weddings and having children are the times when other people feel like they can most butt in with their unsolicited opinions.

(Mr. Schilling said a day later that it was wrong for him to "offer up my political opinions unsolicited.")

But here's one man's unsolicited opinion on how the N.F.L. should be realigned.

Gorwin was quick to provide an unsolicited opinion.

However, he didn't offer his unsolicited opinion.

So you could once again give me your unsolicited negative opinion of my adviser?

Long before the noise arrived, as the UConn women sat on the floor and stretched, the unsolicited opinion of a lone voice made them smile.

He simply could not accustom himself to the young man continually giving voice to his unsolicited opinions.

Rating agencies have been issuing unsolicited opinions on the creditworthiness of borrowers for decades.