Ireland gets a lot of rain so an umbrella is very useful. There is no problem in finding places that sell umbrellas in Ireland, so if you don't bring one, you will easily get one.
In my experience, garden umbrellas are great (if you know where to look and if you buy quality umbrellas. I wouldn't recommend aluminium garden umbrellas. Wood umbrellas would be your best choice. You should find all sorts of umbrellas at your local Home and Garden center.
The best patio umbrellas to get are the tilt umbrellas. They are great because you can position them according to the direction of the sun glaring in your eyes.
Umbrellas are usually checked-in.
It is possible to buy these from Amazon. If you go to their website, you can enter "Sunbrella Umbrella" into the search bar and this should take you straight to them.
It should take about 22 hours.
Sites such as overstock.com and walmart.com can provide cheap patio umbrellas. If you don't mind used ones, you should consider ebay.com as well. These sites will help you find cheap patio umbrellas.
There are several warehouses that sell patio umbrellas like Walmart. Overstock .com has an overstock pf patio umbrellas that they will ship to you within 3 business day's and they will also inform you if there should be a delay in your order.
No they don't have umbrellas.
First you should try doing search about patio offset umbrellas. Then should have a better idea the definition and what you will be looking for. Also talk to people around you, family friends or coworkers.
Yes, automatic umbrellas are sold at Walmart, and are in fact very cheap if you buy them there. You should be able to get a few for under ten dollars.
Yes, they had umbrellas.
Umbrellas or 'brollies'.