Spokesman Dean Mayo said the march was a final goodbye to Miss O'Callaghan.

BBC: Hundreds march to remember Sian O'Callaghan

His fans have said a final goodbye to Michael Jackson, even as many issues following his death have yet to be sorted out, including how he died and where exactly he will be buried.

NPR: Jackson Remembered During Emotional Service

London, England (CNN) -- Eight years ago Justine Laymond was told by doctors to say a final goodbye to her family -- she had, they said, only hours left to live before her lungs would stop working and her body shut down.

CNN: July 12, 2012 -- Updated 1330 GMT (2130 HKT)

So two years ago, she stepped outside and puffed her final cigarette and said goodbye.

CNN: Breaking up is hard to do, especially with your cigarette

Besides reading about the good and the bad days, Carter was welcoming all of us into his life for the final time to say goodbye.

FORBES: Mets' Next Chapter Should Start With Honoring Gary Carter

In a final speech, he said goodbye to his Pentagon staff.

NPR: Rumsfeld Begins Exit from Pentagon Post

The conductor Benjamin Zander wrapped up Davos 2008 with an inspiring secular sermon this Sunday, sending the final group of participants to a goodbye lunch high up the mountain with a message that passion can make anything possible.

FORBES: The Art Of Possibility

We began by showing Billie's final moments with Doctor Who - in which both of the characters were in tears as they said goodbye.

BBC: Billie: live in the Breakfast studio