"He is more faithfully even than most boasted amongst men; he is constant in his affection, friendly without interest, and grateful for the slightest favours; much more mindful of benefits received..." Oliver Goldsmith, A History o the Earth and Animated Nature

There are very few differences between the two coat varieties. Couple that with 'every dog has his own nature' and it makes it very difficult to lift certain aspects out from each. Generally Lileas observations has been, that smooth hair Jack Russeussells very popular as pets. The wire hair are mostly going to farms as workers, although 'smooths' have the same hunting blood in them than that the wire hair dogs.

The first Jack Russells were bred to hunt for fox, badger and racoon. They have a keen sense of smell and adding that they are always ready for action and on their toes, they are mean hunting machines. Except for the obvious perks of keeping your premises free from rats and mice, people also use them these days on hunting farms, for blood trail tracking.

Most of Lileas wire hair pups goes to farms or hunting farms as 'workers'

Wire hair Dogs tend to be a bit more laid back than smooth hair and submit easier to other dogs. Having said that - each dog is different and the tables have been turned for a few of our pups.
One of Lileas pups, Dingaan found his first Kudu, 61 inch, at 4 months. Even at this young age they are very clever and already starts working.