Brother to [name_f]Nora[/name_f]
[name_f]Love[/name_f] [name_f]Nora[/name_f] and [name_m]Henry[/name_m].
I don’t know any [name_m]Calvin[/name_m]'s. I love the name. I like [name_m]Henry[/name_m] ok but it’s too popular for my taste. I know 5 [name_m]Henry[/name_m]'s age 6 and under (and one [name_m]Henrik[/name_m]).
[name_m]Both[/name_m] sound good with [name_f]Nora[/name_f].
Best of luck.
As you can see from my signature, I love [name_m]Calvin[/name_m], but I think [name_m]Henry[/name_m] goes better with [name_f]Nora[/name_f]. More classic, less quirky.
I can’t speak to the popularity of either name, seeing as I don’t know any [name_m]Henry[/name_m]'s or [name_m]Calvin[/name_m]'s. However, I find [name_m]Henry[/name_m] so handsome and classic, and I think it ages very well.
[name_m]Henry[/name_m] and [name_f]Nora[/name_f] does sound fabulous together too 
[name_m]Henry[/name_m] gets my vote
[name_m]Henry[/name_m] is a fave
[name_m]Henry[/name_m] because I see [name_m]Calvin[/name_m] as an older name because I know a [name_m]Calvin[/name_m] in his late thirties. And it also reminds me of [name_m]Calvin[/name_m] [name_m]Harris[/name_m]. While the two [name_m]Henry[/name_m]'s I know are 12 and 3 and I see as timeless.
[name_m]Henry[/name_m] is a great name, and it’s even more stellar with [name_f]Nora[/name_f].
I love [name_m]Henry[/name_m], it has been one of my favorites forever. I don’t really like the sound of [name_m]Calvin[/name_m], maybe because it’s really close to [name_m]Kevin[/name_m] and I really hate that name.