[{name:"Acura",img:"img/marks/acura.png", "id": "my-id1"},{name:"Alfa Romeo",img:"img/marks/alfaromeo.png", "id": "my-id2"}]
a(href="#" id="##{names.id}").marks-item
Либо использовать index
each names, index in [...]
a(href="#" id="#my-id#{index}").marks-item