search_name = 'Art'
#Define list
lst = [{'id':'1234','name':'Jason'}, {'id':'2345','name':'Tom'}, {'id':'3456','name':'Art'}]
#Search for search_name
tom_index = next((index for (index, d) in enumerate(lst) if d["name"] == search_name), None)
#Print out list entry of search name
print(lst[tom_index])