Lamy was born in Arlon in the Belgian Province of Luxembourg and died in Braine-l'Alleud, Walloon Brabant, Belgium.

His film debut Home Sweet Home starring Claude Jade and Jacques Perrin won a Diploma award at the 8th Moscow International Film Festival.

Along with Gabrielle Borile, their picture Combat de fauves (1997) won a Golden Bayard award at the Namur International Festival of French-Speaking Film.

On 15 April 2008 Lamy was murdered by Perceval Ceulemans, with whom he lived with in Nivelles.

[2] On 15 July 2014 Ceulemans was sentenced to 3+1⁄2 years in prison for "voluntary manslaughter".