Welcome to America!
The first question to pop up is: « Which one in the collection is « the best one »? That might just be a question like: « What’s the best way to peel an orange? ». Maybe, your way is the best one, no matter what your neighbor says about your choice.
The British and Irish were already well established in America and the Long family name was popular within their communities, but not the Lang family name, when the Langs from Germany arrived. The name Lang is widely spread in Central Europe, but not in Western Europe. The Langs, swapping to Longs, became part of the British and Irish landscape already well rooted in the American colonies.
The name swaping in the Province of Quebec