| 1 | https://ancestry.co.uk | Ancestry |
| 2 | Archer’s Software | |
| 3 | Celtic Royal Genealogy | This website and corresponding databases are dedicated to the descendants of Celtic Royal lineage and satellite families. |
| 4 | Cyndi’s List | Cyndi Howell’s List of links for family history and genealogy world-wide. |
| 5 | Family Search | An official Web site of The Church of Jesus Christ of Latter-day Saints. |
| 6 | An index of English BMD register entries. | |
| 7 | GRAY Blog | A Blog looking at all aspects of GRAY family history and the one-name study |
| 8 | Gray Family history by Sue Philips | |
| 9 | Gray Trees | A web site developed by Douglas GRAY to publish trees of GRAY families from County Down (Ireland). |
| 10 | Guild of One-Name Studies | |
| 11 | Gray-ONS at My Heritage website | A web site hosted by Myheritage.com for use for the GRAY ONS |
| 12 | HMS Hood Association | |
| 13 | Home Page of Dean GRAY | Dean was born in Grant County, Nebraska in 1950. |
| 14 | Home Page of Tim GRAY | This is the web site of Tim Gray who was born in Belfast, Maine, in 1957. |
| 15 | Linkpendium UKI | Links for UK and Ireland Genealogy and Family History |
| 16 | National Trust Names | A website which presents the findings of a project based at University College London (UCL) that is investigating the distribution of surnames in Great Britain, both current and historic |
| 17 | Public Profiler | A website containing information derived from analysis of databases containing publicly – sourced data from a significant number of countries. |
| 18 | Taliesin Arlein | |
| 19 | US Surname Distributions | |
| 20 | Wikipedia |