In my opinion,
Mateo is a beauty...WOW.
-Mix and match
Mateo with any appropriate name from your english list and you will have a keeper.
Mateo Santos sounds great!
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Mateo can also be shortened to nn "Teo" (Tay-oh)"Tay" which may satisfy your desire for a more conventional english-sounding name.
For girls,
Natalia ("
Talia" or "
Lia") and
Valencia are gorgeous.
Santos is such a lovely last name. Very soft and whispery.--lucky child.
Most combos will sound very nice with it.
I think you have a fabulous start with your selections...play around with them and you will know the right choice when the time comes.
Try doodling different name combos and saying them aloud, then envision your future child/ren.
It worked for me!
Behind every Bush is a terrorist...