Cuckooflower/Lady's Smock?

Cuckooflower/Lady's Smock?

Observation - Cuckooflower/Lady's Smock? - UK and Ireland. Description: I think this is a Cuckooflower but it's not something I've identified before, so I would appreciate confirmation or correction?

I think this is a Cuckooflower but it's not something I've identified before, so I would appreciate confirmation or correction?