All answers are Wiliams or variations of

[Lewis Ellis]

Just 5 to go so would appreciate some help please
Who said "Manners maketh Man" 1324-1404 (7,2,7)
Portmanteau named after this gentleman 1809-98 (7,5,9)
1986 book by C.A..C ookson (4,6)
Songwriter of Annie Laurie
Marble statue in Leicester Square by Sculptor Giovanni Fontana of ? (7,11)
Many thanks in anticipation

[Ont-ice]

1. William Ewart Gladstone

[Ont-ice]

Annie Laurie was written by William Douglas
Statue in Leicester Square is of William Shakespeare

[Ont-ice]

Manners maketh Man was said by William of Wykeham. And Catherine Cookson's 1986 book was titled Bill Bailey.
Hope this helps.

[kettledrum]

William of Wykeham - 'Manners makyth Man'

[Lewis Ellis]

Many, many thanks Ont-ice, much appreciated. You must sit up all night helping such as I!!! also thanks to Kettledrum, good for an agreeing answer.

[Ont-ice]

Hi Lewis Ellis
No, I don't sit up all night. I'm five hours behind you so it was only around 7pm my time.
Glad to have been of help.

[Lewis Ellis]

Thanks for explanation Ont-ice!!