Out of the breeds you listed:
Standards-
Buff Orpington- very friendly, good layers, climate hardy.
Ameraucana-friendly, good layers (but start later than others), can be hard to find real Ameraucanas (not Americanas/EE)
Double laced Barnevelder-have not had but should be climate hardy
Brown leghorn-not as hardy in very cold temps because of large comb, good free-rangers and excellent layers, usually not cuddly
-Bantams-
Sebright-not sure
Cochin-extremely friendly, poor layers, can go broody a lot
Silkie-extremely friendly, broody all the time, may need to keep an eye on them in extremely cold temps
Ameraucana- see above
Silver pencilled rock-friendly and good layers, climate hardy
Mille fleur-not sure
OEG-not sure
Australorp are another good recommendation, friendly and good layers. Salmon Faverolle are also known to be very sweet and friendly!
Good luck! Please let us know what you end up with!