The Irish Wolfhound was officially accepted into the AKC (American Kennel Club) in 1897 and is recognized as the tallest of all dog breeds. 
The IW is a sight hound, bred to chase by sight rather than scent and earned his name in Ireland where the breed was used to hunt wolves and other large prey. 
 
The IW is known to be "Calm, dignified, kindly; courageous but not aggressive", devoted to family and kind with children.
 
Some history and overview can be seen at:  https://en.wikipedia.org/wiki/Irish_Wolfhound
Or visit the Irish Wolfhound Club of America website at: http://www.iwclubofamerica.org/earlyhistory

We are  proud members of the Northern California Irish Wolfhound Club http://nciwc.org and the
                                                Irish Wolfhound Association of the West Coast  http:// iwawc.com
 
 
The AKC Official Standard of the Irish Wolfhound can be found at:   http://cdn.akc.org/IrishWolfhound.pdf :
"General Appearance: Of great size and commanding appearance, the Irish Wolfhound is remarkable in combining power and swiftness with keen sight. The largest and tallest of the galloping hounds... very muscular, strong though gracefully built; movements easy and active; ... The minimum height and weight of dogs should be 32 inches and 120 pounds; of bitches, 30 inches and 105 pounds... showing requisite power, activity, courage and symmetry."
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House Training: Easiest method of house training we have found is a variation on 'crate training'.  We suggest setting up a 36"  high Xpen in the main part of the house (living room) where the puppy can be watched.  Place a sheet of plastic under a blanket, add a soft bed, a chew toy, and hang a kennel pail for water.  Whenever the puppy wakes up from a nap immediately take him/her outside to "go" and praise the puppy energetically for doing so.  Watch the puppy carefully during playtime in the house and quickly take him/her outside at the first  hint of looking for a place to "go" (even if it has only been a few minutes since last time:).  If you catch the puppy i n the act of going inside scold the puppy "no, no, bad puppy" and rush them outside.  You are teaching the puppy that going inside is bad, going outside gets praise and even a small treat.  (if you find a 'mistake' after the fact just clean it up with a good odor eliminating pet care product - NEVER try to take the puppy back to the spot for disipline - they will not understand why you are mad at them)  Anytime you can not watch the puppy every second, put him/her back in the Xpen which should be their safe, comfortable, private space.  If you have multiple dogs, feeding the puppy in the Xpen can be useful, as well as a method to introduce the pup to the rest of the familly.
Hint:  set up a second Xpen in the bedroom for night time use; be aware a young puppy will need to go outside as often as every hour, slowly increasing the time between trips as they get older.  If the puppy whines, barks, and cries when first put into the kennel - ignore him/her (giving them attention now will only encourage the behavior); but if the pup has been quite then starts to vocallize assume they need to go outside - now! Puppies can not "hold it" - I carry younger puppies outside to prevent mistakes, and introduce the leash for quick walks outside by the time they are 3 months old.
Chew Toys: All puppies ​love to chew and Wolfhounds have powerful jaws! The best toys we have found are Kong and NylaBone - use the Large size, not the 'puppy chews' which a Wolfhound can destroy the first day. As your puppy gets a little older go the the Monster size.
Empty plastic water or soda bottles are also lots of fun (remove the cap and labels first then replace the bottle when it is chewed flat before the puppy can chew off any parts); thinner ice cubes (from automatic ice makers) also make a fun treat especially at bedtime or on warm days.
Beware that dogs will eat rawhide or bullysticks - both which will swell up inside your dog and can be fatal, as can bits of rope toys, plastics, or even strips of blankets and bedding - always monitor toys to ensure your puppy is not injesting something that can harm them.

Beds: X Large dogs beds work at first but by 9 months or so the Wolfhound needs a Giant sized dog bed or even a twin size mattress.  Soft beds are appreciated but some young dogs will tend to chew them.  If looking for an outside bed or "chew proof" we have found the best option to be the Kuranda elevated bed with no fabric edges; I like the Aluminum Dog Bed XX Large with the Textured Nylon fabric (for dogs up to 250 lbs and non-slip surface).  We use the Kuranda beds outside and soft fill beds indoors.           https://kuranda.com