NO - He does not, family members of EU nationals can get their entry visas free of charge.
If you hold a residence card issued in Romania under EU law and you plan to travel to Portugal with or to join your husband, or any other EU family member, you can enter Portugal simply on presentation of your passport and your residence card.
However, if you travel to Portugal on your own and do not plan to join EU family members there, you will require a visa even if you hold a valid residence card.
You will need a visa to enter France. Your residence permit was issued under Irish law rather than EU law as you are married to an Irish citizen and living in Ireland, (i.e. you are not exercising EU Treaty rights). However, since you will be travelling with your husband to France, your visa should be granted quickly and free of charge.
Since you will be travelling outside the Schengen area and will not be travelling with or to join an EU family member, your residence card will not suffice. You will need a valid visa to enter these countries. Depending on the number of times you will need to travel to these countries, you should consider applying for a multi-entry visa for each country.
NO - If you are travelling with or to join your Irish child in the UK, you should not be charged by the UK authorities who should issue your visa quickly and free of charge.