According to www.http://www.identitynumber.org, Mildred HOOKE was born on 22 June 1915.
Raymond Theodore HOOKE was born on 9th July 1907.
For a US$10 monthly fee, you can get more information.

They stayed at 46 Dulcie Street in Manchester in 1953 on vacation.
http://interactive.ancestry.co.uk/1518/30807_A001301-01027/6...

http://interactive.ancestry.co.uk/2997/41039_b001732-00528/1...

In 1960, they stayed in Cheadle Heath in Cheshire.
http://interactive.ancestry.co.uk/2997/41039_b001900-00346/1...

Have you tried contacting other Ancestry members who are researching their family?http://trees.ancestry.co.uk/tree/62478896/person/42090008423...=
http://trees.ancestry.co.uk/tree/15832542/person/28124924212...=
http://trees.ancestry.co.uk/tree/48616801/person/20141926005...=
http://trees.ancestry.co.uk/tree/17116381/person/28033904621...=

Peter's gravestone
http://www.eggsa.org/library/main.php?g2_itemId=2929864