The Mexicans have the right idea, allowing both the mother and father to contribute a name to their children, but what if we went a step further and had a quadruple-hyphentated name honoring all four grandparents? I’d be a typical German/Swedish/Armenian/English-American mutt. That’s Mr. Loeber-Swanson-Zamanigian-Charles to you.
Let’s see if I can get it in the right order first.
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I served in the military with a guy named Fernando Medina-DelValle. Now, if I’m not mistaken “Medina” (the name he answered to) is his father’s last name, while DelValle was his mother’s maiden name (his maternal grandfather’s last name). First, who is the name “DelValle” hornoring? His mother or his paternal grandfather?
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If we go by the names of all grandparents, well obviously my own last name is most apt to be the same as my paternal grandfather, so what is the correct order? Is it this:
Paternal Grandfather-Paternal Grandmother('s Maiden Name)-Maternal Grandfather-Maternal Grandmother('s Maiden Name)?
Or is it: PGF-MGF-PGM-MGM?
Sir Rhosis-Loin-Cumlocute
My full name is SPOOFE Bo Diddly, but I don’t go by that all the time since it’s obnoxious to type the whole thing each time I log in. And also because I prefer my first name to the full thing.
I have always gone by Steven, since I was a little lad. But my name is actually Charles. This is a pretty cool thing considering my dad is Steven, and both of my grandfathers are Charles’. I am named after all three. 
I would be a Polish-Irish-German-Welsh American mutt.
Mr. Brown-Antram-Buehler-Jones
I know what you’re thinking: “Brown is a Polish name?”
My grandfather’s name is Brown, but only because his father had it changed to Brown from Abromczek. I’m not sure about the spelling on that.
hmm…I can say in order the first 8 or 9 of my last names. Last names can also be tricky to place, since the person can be adopted, last names missing(a child who was born without his/her parents been married, usually just takes the mother’s last names…here anyways, and also before modern paternity/custody laws). I am from a hispanic country…so let’s see how I arrange the last names.
NAME, firstlastnameofdad, FLNofmom, SLNofdad(or paternal granny last name), SLNofmom(or my MGLN), TLNofdad, TLNofmom, FLNofdad, FLNofmom…and it goes on and on.
Well, only Crunchy Frog, and possibly Karl, didn’t misunderstand my point, deliberately or otherwise. Oh, well. Good move Evnglion going with Steven (despite the misspelling). I’ve said it before, and I’ll say it again: Charles is not properly used as a first name. 
Oh, and remember, her name was McGill, and she called herself Lill, but everyone knew her as Nancy.
Jones-Mulvihill-Laing-Brown. Except the “Laing” was “Lange” before German surnames became unpopular in 1914, and there’s mostly French behind “Mulvihill.”
Despite the Welsh surname I’m really just German, French, and Irish. So I beat myself up and then I drink to forget about it.
And while you’re listing your full names, could you also give me your social security numbers, address, phone numbers and any major credit card numbers you hold?
I’ve got a 100% Polish pedigree - so before I wed Mr. West, I was Ms. Rychlak-Tabor-Krawczyk-Maciewski.
I spent my single years spelling. We lived on an oddly-named street and my parents have unusual first names. And my own first name has alternate spellings. Yep, being West is nice and easy…
I’d be … Uh…
Ms. Leno-Lemieux-LaRoe-Baldwin
That’s two German and two French (canadaian), one of each from each side.
I’d be Ms. Bolduc-Lutz-Noble-Westburg. French Canadian, English, ??, and Norwegian. Yup, I’m a mutt.
Ok. I guess it’s time the truth be told…
My full name is…
Heywood Jablome.
Or not… 
Let’s see…if I’m doing this right, I would be
Steinbergen-Brown-Van Horn-Bright-Davis
Mr. Tyson-Stanley-Hill-Southard checking in.
That would make me
Thurston-Nelson-Walner-Lubke
(Scandinavian-Hungarian-Afrikaans)
And I would have the unwieldy surname of Frost-Luecking-Jenkins-Middendorf…which is English/Dutch/Welsh/German for those playing the home game.
The last names aren’t hyphenated,just a simple space in between. My wife’s is Díaz Corona. Our children’s is Poulson Díaz. And if the anglos applied the same rule I’d be Poulson Simpson. The kids think that’s hilarious. Since they are born and raised in Mexico they think that the only “Los Simpson” are Homero’s family!
In a mostly monolingual society like Mexico the two last names are a great help in differentiating people. It’s not unusual to have more than one María Perez or Carlos Díaz in a large business or school and the maternal last name distinguishes María Perez Fernandez from María Perez Lopez. A lot of the time the initial is used for the maternal last name. Saves a lot of space and wrtiting when compiling a list.
I use both mom and dad’s last names for anything either in Mexico or just to sound neat.
Herrera Veloz
If I wanted to keep going with it, which I do just to confuse teachers into giving up trying to pronounce any of my names right, (damn gringos) then it would be
Herrera Veloz Gonzalez Santos
Kitty
Carina MacDonald-McNeil-Flegenheimer-Lambert.
I think.