No - ID will be OK - but it is sensible to carry with you anyway
Every child needs his/her own passport to travel outside of their home country.
jersey as in new jersey or as in england? yes you need passport for both.
Yes. Threre is no minimum passport validity for EU citizens travelling to other EU countries.
Yes.
If you are from the UK, then you do not need a passport to enter the Republic of Ireland, as they are within what's known as the "common British travel area" - allowing citizens of the British Isles to travel freely within the areas. However RyanAir may require a passport to prove that you are a UK citizen. Your best bet is to call RyanAir customer service and ask them.
Yes if you are to travel by air but if it is by sea of land, no need but you need a proof of identification and the passport is the best one you have for the child.
no
No of course not. You don't need a passport to travel within one federal country!
ThroughUKEmbassy in Amman-Jordan.
£72.50 for a standard adult passport and £46 for a child (under 16) passport.
He/She will need an ID of some sort, but not specifically a passport.
If you are going on a cruise from a US port and the child is a US citizen, you will only need a state-issued copy of the child's birth certificate. If you are flying, the child will need a passport.