Peel the potatoes and boil in salted water until cooked through. Roughly chop and add to a large bowl. Boil the eggs for 10 minutes, drain, run under cold water for a few minutes then peel. Chop eggs and place in bowl with potatoes. Peel and cube the carrots, boil for a few minutes then add the peas and cook 1 minute more. Drain and add to the other veggies. Finely chop the pickles and add it to the bowl. Chop the ham and add that to the bowl also.
Add 1 teaspoon of salt, and few cracks of pepper, and parsley. Scoop the mayo directly in the bowl with the veggies and squeeze in 1 tablespoon of lemon juice. Mix well, you may need to add more mayo. Check for seasoning and enjoy.