Hers was the only death incurred in the course of the Greenham Common Women's Peace Camp campaign.
Her parents were John and Janet Thomas; they ran an electrical business in the town.
She had been at the camp only two months[4] when she died in August 1989, from head injuries sustained when she was struck by a West Midlands Police vehicle, while waiting to cross a road near the airbase's main "Yellow Gate".
[6] In 2011 a memorial bench was dedicated to Helen Thomas in her hometown, Newcastle Emlyn.
[7] She was the only individual participant named in the Greenham Common Peace Garden memorial,[8] with standing stones, an eternal flame feature, and a fountain at the centre of an inscribed spiral.