[Genealib] Ship Passenger List query

[Sandy Day]

Hi
We have a customer that has a genealogy puzzle. Anyone with expertise on this please contact me offline.

The patron's ancestor came from Englad in 1635 to MA. On the ship passenger list it shows the man's age as 22 which gives his date of birth ca 1613.
All other records that have been found on this man in court records show his DOB to be around 1623. This would make this man 12 instead of 22. Is there any evidence or proof that his age could have been reported wrong and what circumstances would cause this? 
Thanks in advance for any clues to this mystery.

Sandy Day
Genealogy Librarian
Schiappa Library
Steubenville, OH  
daysa at oplin.org
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