I'm lookingfor an unusal, old fashioned name with a short nickname?

I’m looking for a long, old and maybe a slightly weird name that has a short, nice nickname? For example, something like [name_m]Josh[/name_m] and [name_m]Joshua[/name_m], but an older, lesser used name? I really don’t like the name [name_m]Josh[/name_m] at all.
Names I’ve considered:
[name_m]Lysander[/name_m]
[name_m]Gideon[/name_m]
[name_m]Florin[/name_m]
[name_m]Nathaniel[/name_m]

I also like feminine names for boys, but not totally girly and out there:
[name_u]Ariel[/name_u]
[name_f]Sapphire[/name_f]

Any help will be greatly appreciated x

[name_m]Sebastian[/name_m] nn [name_m]Seb[/name_m] was the first to come mind.

[name_m]Leonidas[/name_m] nn [name_m]Leo[/name_m]
[name_u]Abbott[/name_u] nn [name_m]Abe[/name_m]
[name_m]Samuel[/name_m] nn [name_u]Sam[/name_u]
[name_m]Abraham[/name_m] nn [name_m]Bram[/name_m]
[name_m]Vincent[/name_m] nn [name_m]Vin[/name_m]
[name_m]Frederick[/name_m] nn [name_m]Fred[/name_m]
Zedidiah nn [name_m]Zed[/name_m]
[name_u]Shannon[/name_u] nn [name_u]Shane[/name_u]
[name_f]Moriah[/name_f] nn [name_m]Mori[/name_m]
[name_m]Dimitri[/name_m] nn [name_f]Demi[/name_f]
[name_m]Fraser[/name_m] nn [name_f]Raz[/name_f]

[name_m]Julius[/name_m] - [name_u]Jules[/name_u]
[name_m]Benjamin[/name_m] - [name_m]Benji[/name_m], [name_m]Ben[/name_m]
[name_m]Theodore[/name_m] - [name_u]Teddy[/name_u], [name_u]Theo[/name_u]
[name_m]Reginald[/name_m] - [name_u]Reggie[/name_u]
[name_m]Ernest[/name_m] - [name_m]Ernie[/name_m]
[name_u]Everett[/name_u] - [name_m]Rhett[/name_m]
[name_m]Augustus[/name_m] - [name_u]Gus[/name_u]
[name_m]Desmond[/name_m] - [name_m]Des[/name_m], [name_u]Desi[/name_u]
[name_m]Callum[/name_m]/[name_m]Calix[/name_m] - [name_u]Cal[/name_u]
[name_m]Percival[/name_m] - [name_u]Percy[/name_u], [name_u]Perry[/name_u]
[name_u]Shiloh[/name_u] - Shy
[name_m]Samson[/name_m] - [name_u]Sam[/name_u]
[name_m]Raphael[/name_m] - [name_u]Rafe[/name_u]
[name_m]Edward[/name_m]/[name_m]Edmond[/name_m] - [name_m]Ned[/name_m], [name_m]Eddy[/name_m]

[name_m]Ezekiel[/name_m] nn [name_m]Zeke[/name_m]
[name_m]Ebenezer[/name_m] nn [name_m]Ben[/name_m] or ?
[name_u]Whitney[/name_u] (or [name_f]Whitley[/name_f] or [name_f]Whitman[/name_f]) nn [name_u]Whit[/name_u]
[name_m]Abraham[/name_m] nn [name_m]Abe[/name_m]
[name_m]Archibald[/name_m] nn [name_m]Archie[/name_m]
[name_m]Harlan[/name_m] nn [name_m]Harry[/name_m]
[name_u]Ira[/name_u] (no nn comes to mind)

I can help you with this!
[name_m]Ambrose[/name_m] ([name_f]Amber[/name_f])
[name_m]Bertram[/name_m] ([name_u]Bert[/name_u])
[name_m]Charles[/name_m] ([name_u]Charley[/name_u])
[name_m]Clive[/name_m] or [name_m]Clyde[/name_m]
[name_m]Donald[/name_m] ([name_m]Don[/name_m], [name_m]Donnie[/name_m])
[name_m]Dudley[/name_m] ([name_m]Duke[/name_m])
[name_m]Fredrick[/name_m] ([name_m]Fred[/name_m], [name_u]Freddy[/name_u])
[name_m]Gabriel[/name_m] ([name_u]Gabby[/name_u])
[name_m]Gerald[/name_m] ([name_u]Gerry[/name_u])
[name_m]Harvey[/name_m] (Harv)
[name_m]Heinrich[/name_m] ([name_m]Henry[/name_m])
[name_m]Hiram[/name_m] ([name_m]Hi[/name_m])
[name_m]Jarvis[/name_m] ([name_m]Jarv[/name_m])
[name_m]Julius[/name_m] ([name_u]Jules[/name_u])
[name_u]Kirby[/name_u] ([name_m]Kirk[/name_m])
[name_m]Leonard[/name_m] ([name_m]Leo[/name_m], [name_m]Lenny[/name_m])
[name_m]Milton[/name_m] ([name_m]Milt[/name_m])
[name_m]Nelson[/name_m] ([name_m]Nels[/name_m])
[name_m]Rufus[/name_m] ([name_u]Rafe[/name_u])
[name_m]Sebastian[/name_m] ([name_m]Seb[/name_m])
[name_m]Theodore[/name_m] ([name_m]Ted[/name_m], [name_u]Teddy[/name_u], [name_m]Thor[/name_m])
[name_u]Vernon[/name_u] ([name_u]Vern[/name_u])
[name_m]Walter[/name_m] ([name_m]Walt[/name_m])
[name_m]Xavier[/name_m] (Xav)

[name_m]Abraham[/name_m]- [name_m]Bram[/name_m]
[name_m]Augustus[/name_m]- [name_u]Gus[/name_u]
[name_m]Cassius[/name_m]- [name_m]Cash[/name_m]
[name_m]Cornelius[/name_m]- [name_u]Neil[/name_u]
[name_m]Ezekiel[/name_m]- [name_m]Zeke[/name_m]
[name_m]Frederick[/name_m]- [name_u]Freddy[/name_u]
[name_m]Jeremiah[/name_m]- [name_u]Jem[/name_u]
[name_m]Jethro[/name_m]- [name_u]Jet[/name_u]
[name_m]Leopold[/name_m]- [name_m]Leo[/name_m]
[name_m]Mortimer[/name_m]- [name_u]Mo[/name_u]
[name_m]Phineas[/name_m]- [name_u]Finn[/name_u]
[name_m]Vincent[/name_m]- [name_m]Vince[/name_m]
[name_u]Willoughby[/name_u]- [name_m]Will[/name_m]
[name_m]Zebedee[/name_m]- [name_m]Zeb[/name_m]

[name_m]Jasper[/name_m] [name_u]Seth[/name_u] nn [name_u]Jaz[/name_u]/[name_m]Jas[/name_m]

I love this name. I’m not having a boy but if I were… I would use it without a second thought. I know one of the Twilight characters is named [name_m]Jasper[/name_m] but it’s a minor character and I think the connection will fade with time. It always reminds me of the precious stone.

It doesn’t quite meet your criteria but I also love [name_m]Damien[/name_m] for what it’s worth. It’s certainly unusual.

[name_m]Sylvester[/name_m] was the first name to come to mind.

What about:

[name_m]Victor[/name_m], nn [name_u]Vic[/name_u]
[name_m]Walter[/name_m], nn [name_m]Walt[/name_m]
[name_m]Philip[/name_m], nn [name_u]Phil[/name_u]
[name_m]Rufus[/name_m], nn [name_u]Rafe[/name_u]
[name_m]Benedict[/name_m], nn [name_m]Ben[/name_m]
[name_m]Albert[/name_m], nn [name_m]Albie[/name_m]

[name_m]Alistair[/name_m] is also good, nn [name_m]Al[/name_m].

[name_m]Gabriel[/name_m] – [name_m]Gabe[/name_m]
[name_m]Ambrose[/name_m] – [name_m]Bo[/name_m]
[name_m]Abraham[/name_m] – [name_m]Abe[/name_m]
[name_m]Devereaux[/name_m] – [name_m]Dev[/name_m]
[name_m]Emmanuel[/name_m] - [name_m]Manny[/name_m]
[name_m]Roderick[/name_m] – [name_m]Rod[/name_m]
[name_m]Alfred[/name_m] – [name_m]Fred[/name_m]/[name_m]Al[/name_m]
[name_m]Finnegan[/name_m] – [name_u]Finn[/name_u]
[name_m]Gilbert[/name_m] – [name_u]Gill[/name_u]
[name_m]Sebastian[/name_m] – Bash
[name_m]Malachi[/name_m] – [name_u]Kai[/name_u]
[name_m]Malcolm[/name_m] – [name_m]Colm[/name_m]
[name_m]Montgomery[/name_m] – [name_m]Monty[/name_m]
[name_u]Lawrence[/name_u] - [name_m]Law[/name_m]

I thought of [name_m]Leonidas[/name_m] too but my preferred nn is [name_m]Leon[/name_m] ([name_m]Leo[/name_m] feels so over done in comparison).

[name_m]Theodor[/name_m]/[name_m]Hector[/name_m]/[name_m]Victor[/name_m] nn [name_m]Thor[/name_m] (obviously works best for [name_m]Theodor[/name_m]).
[name_m]Vincent[/name_m] nn [name_u]Vinny[/name_u]
[name_m]Hendrik[/name_m] nn [name_m]Henry[/name_m], [name_m]Dick[/name_m] or [name_u]Ricky[/name_u]
[name_m]Aurelius[/name_m] nn [name_m]Linus[/name_m]
[name_m]Horatio[/name_m] nn Tio

[name_m]How[/name_m] about [name_u]Leland[/name_u]?
We named our son [name_m]Leeland[/name_m], shortened to [name_u]Lee[/name_u] if he wants. It’s a strong masculine name that was popular in the early 1900s-1920s. We get a million compliments on it. I love his name. It might work for you!

[name_m]Crispin[/name_m] - [name_u]Cris[/name_u]
[name_m]Evander[/name_m]- [name_u]Evan[/name_u]
[name_m]Stellan[/name_m]- [name_m]Stu[/name_m]
[name_m]Kipling[/name_m]- [name_m]Kip[/name_m]

[name_u]Sidney[/name_u]-[name_m]Sid[/name_m]
[name_m]Edmund[/name_m]-[name_m]Ed[/name_m]/[name_m]Ted[/name_m]/[name_u]Teddy[/name_u]
[name_m]Jeremiah[/name_m]-[name_u]Jem[/name_u]
[name_m]Westley[/name_m]-[name_u]West[/name_u]
[name_u]Winslow[/name_u]-[name_u]Win[/name_u]