Respondents: 73 (This poll is closed)
I voted for [name]Jocelyn[/name] [name]Page[/name] and [name]Gabriel[/name] [name]Joseph[/name] but I would spell [name]Paige[/name] like this.
[name]Favorite[/name] Girl - [name]Caroline[/name] [name]Elizabeth[/name] - Could be made better by substituting a different form of [name]Elizabeth[/name] (i.e., [name]Caroline[/name] [name]Eliza[/name], [name]Caroline[/name] [name]Elspeth[/name], [name]Caroline[/name] [name]Elsa[/name], etc.)
[name]Favorite[/name] Boy - [name]Gabriel[/name] [name]Joseph[/name] - Couldn’t be made better; it’s perfect!
Ideal Boy - [name]Nathaniel[/name] [name]Jacob[/name]
Least [name]Favorite[/name] Girl - [name]Jocelyn[/name] [name]Page[/name] - I just don’t like it, any of it…
Least [name]Favorite[/name] Boy - [name]Jared[/name] [name]Nathaniel[/name] - Dated [name]Jared[/name] with beautiful, handsome, classic [name]Nathaniel[/name]? Not for me…
[name]Favorite[/name] Pair - [name]Caroline[/name] [name]Elizabeth[/name] and [name]Jacob[/name] [name]Alexander[/name]
Ideal Pair - [name]Gabriel[/name] [name]Joseph[/name] and [name]Sarah[/name] (not [name]Serena[/name]) [name]Caroline[/name]
[name]Caroline[/name] [name]Elizabeth[/name]: I love both names, but think a shorter middle may flow even better. (I have to disagree that [name]Caroline[/name] [name]Eliza[/name] would sound better, because if you’re pronouncing [name]Caroline[/name] as care-oh-line, [name]Caroline[/name] and [name]Eliza[/name] have matching long I sounds.) From your list, I think that [name]Caroline[/name] [name]Paige[/name] has a great flow, although I do love [name]Caroline[/name] with another classic name in the middle. 
[name]Madelyn[/name] [name]Rose[/name]: I love [name]Madeleine[/name] spelled this way (or as [name]Madeline[/name]), but the [name]Madelyn[/name] spelling looks trendy to me. I love [name]Rose[/name] as a first name, but because it’s the #1 middle name, it feels like a"filler" to me.
[name]Laela[/name] [name]Addison[/name]: I’m not personally a fan of the [name]Laela[/name] spelling for [name]Layla[/name], and [name]Addison[/name] feels very trendy to me. (It’s also the name of an adrenal disease, so I like some of the other combos more…)
[name]Serena[/name] [name]Claire[/name]: I think this is pretty, but I love [name]Claire[/name] more than I do [name]Serena[/name].
[name]Jocelyn[/name] [name]Paige[/name]: I think this is pretty, but I love [name]Caroline[/name] more.
[name]Jacob[/name] [name]Alexander[/name]: I think the flow is great, but with [name]Jacob[/name] being the #1 name for so long, some of your other names feel fresher to me.
[name]Jared[/name] [name]Nathaniel[/name]: I love [name]Nathaniel[/name], but am not a [name]Jared[/name] fan…
[name]Gabriel[/name] [name]Joseph[/name]: I [name]LOVE[/name] this so much! [name]LOVE[/name]!
[name]Elijah[/name] [name]Matthew[/name]: I think this sounds great…
[name]Noah[/name] [name]Morrison[/name]: I love [name]Gabriel[/name] more than I do [name]Noah[/name]…
I’m voting for [name]Caroline[/name] [name]Elizabeth[/name] and [name]Gabriel[/name] [name]Joseph[/name].
Good luck!
[name]Just[/name] a quick note, [name]Elizabeth[/name] is a family name. 
I voted for [name]Madelyn[/name] [name]Rose[/name] and [name]Jacob[/name] [name]Alexander[/name]. I love both names despite their popularity…although prefer the sp [name]Madeleine[/name].
[name]Serena[/name] [name]Claire[/name] and [name]Gabriel[/name] [name]Joseph[/name] are wonderful, not over used, elegant and charming names. They get my vote.
My picks [name]Caroline[/name] [name]Elizabeth[/name] - two of my favourite names, I think they sound nice together, and wouldn’t change [name]Elizabeth[/name] as a middle. They are classic!
[name]Gabriel[/name] [name]Joseph[/name] - [name]Gabriel[/name] is my all-time favourite boy’s name, so of course this is my pick! I like it with [name]Joseph[/name] too, so handsome and classic too!
[name]Jocelyn[/name] [name]Page[/name] just beats [name]Serena[/name] [name]Claire[/name], because it’s slightly less common. [name]Both[/name] are my faves!