The name they had for themselves is lost to history.

His name and the nature of their union have been lost.

I left it as a boy and the name is lost to me.

The name had been lost to me for more than two decades.

I am walking through the main street of a little town whose name is lost.

That statement was made well over a century ago, by a child whose name has been long lost.

By this point, she already had a daughter (whose name has been lost).

His name was even lost in the passage of years.

If it wasn't for the research their names could have been lost forever.

It's a fearful thing for a man to lose his name.