Hi Pam,

I'm researching Logans (from Scotland) who emigrated to Victoria, and among the ship passenger lists at http://prov.vic.gov.au/provguide-50 is this:
Daniel Logan Arrived: Jul 1854 Melbourne, Australia From: Liverpool Ship: Monteagle Nationality: English.

His age is not recorded, but he appears to have been an unaccompanied adult.

Regards
Ken