Hello,
only just seen your question. You could look at some of the resources below which might be useful
Look4them
A gateway to the sites of several organisations involved with finding people including some that help find people overseas
http://www.look4them.org.uk/
National Missing Persons Helpline
A charity that advises and supports missing people and those who are left behind.
http://www.missingpersons.org/
Salvation Army's Family Tracing Service
The Salvation Army Family Tracing Service exists to try to restore (or to sustain) family relationships, by locating relatives who for various reasons have become out of touch. There are certain categories of enquiries the service does not normally become involved with.
http://www.salvationarmy.org.uk/ en/ Departments/ FamilyTracing/ Home.htm
Traceline
This is a service offered by the General Register Office.
Traceline
ADDRESS
PO Box 106
Southport
PR8 2WA
Internet Address:
Tel:0151 471 4811
Minicom:
Fax:01633 652580
DESCRIPTION
Organisation which can help re-establish contact with friends and family, by informing the person being sought that a letter is being held for them at the Traceline office. If the person has died they will advise how to obtain a copy of the death certificate. Will also help companies trace customers or former employees e.g to make payment on assurance policies or pensions, and to find will beneficiaries. Will not act in cases involving adoption, or where contact may be disruptive.� Search fee for priority service is �40 (only available with the date of birth), standard service