| Name, Place, or Title |
Born |
Died |
Noted |
| Pacer (Horse) | | | 47 |
| Pacific Railway Act of 1862 | | | 26, 44 |
| Pacific Telegraph Act, The (1860) | | | 24 |
| Pacific Telegraph Company of Nebraska | | | 43 |
| Packer, Alfred G. (Alferd) "The Colorado Cannibal" | 3 | 17 | 03, 06, 16, 17, 23 |
| Page, Dorothy | | | 09, 13 |
| Page, Frank (Gunslinging Barkeep) | | | 49 |
| Paint Your Wagon (M) 1969 | | | 18, 35 |
| Paiute Indians | | | 03 |
| Paladin | | | 02, 37, 47 |
| Palahnyuk, Volodymyr (see: Jack Palance) | - | - | 0 |
| Palance, Jack (Movie Star) | | | 07, 25, 45 |
| Pale Rider (M) 1985 | | | 13 |
| Palmer, Gen. William Jackson (Railroad Builder)Gen | | | 11, 38 |
| Palo Duro Canyon, Battle of (1874) | | | 39 |
| Pals of the Saddle (M) 1936 | | | 23 |
| Pancho (FC, Sidekick to the Cisco Kid) | | | 32, 36, 37 |
| Panhandle Perkins [FC] (see: Wilkerson, Guy) | | | 0 |
| Panic of 1857 | | | 34, 37 |
| Par Garret and Billy the Kid (M) 1973 | | | 52 |
| Parachute, CO Sheep Massacre | | | 37 |
| Paramore, Green (Texas State Policeman) | | | 40 |
| Paramount Pictures | | | 0 |
| Parker, Cythia Ann "Naduh") | | | 20 |
| Parker, Isaac Charles | | | 18, 23, 36, 42, 46 |
| Parker, John Richards (Indian Captive) | | | 20 |
| Parker, Quanah (Comanche Chief) | | | 20, 26, 30 |
| Parker, Robert Leroy (see: Butch Cassidy) | - | - | 0 |
| Parker, William (T, part owner, Oriental Saloon) | | | 41 |
| Parkhurst, Charlie (Female Stage Driver) | | | 0 |
| Parkman's Oregon Trail (Book) 1847-49) | | | 18, 45 |
| Parkman, Francis (Trailblazer, Author) | | | 01, 18, 37, 45 |
| Parlor, The (Whorehouse) | | | 32 |
| Parrish, John (Outlaw) | | | 18 |
| Parrott, George "Big Nose" (Bandit and Train Robber) | | | 15 |
| Parsons, ?? (Sheriff) | - | - | 39 |
| Parvin Series {8 | | | 01 |
| Parvin, Buck (FC | | | 01 |
| Pat Garret and Billy the Kid (1973) | | | 52 |
| Pathfinder of the San Juan's | | | 25 |
| Pathfinder) | | | 52 |
| Patterson, W.P. (Cattleman) | | | 20 |
| Paul, Robert Havlin "Bob" (T, Stage Guard, Sheriff, Cochise County, AZ) | 24 | 13 | 06, 11, 13, 22, 24 |
| Paul, Rodman W. (Editor) | | | 26 |
| Pawnee Bill (Gordon W. Lillie) | | | 0 |
| Pawnee Bill's Wild West | | | 0 |
| Pawnee Hero Tales (Book) 1889 | | | 15 |
| Pawnee Indians | | | 27 |
| Pawnee Killer (Northern Cheyenne Chief) | | | 26 |
| Payne, John | | | 0 |
| Peabody, Henry G. | | | 0 |
| Peacock, A.J. (Dode City, KS) | | | 15, 16 |
| Peak, June (Captain) Texas Rangers | | | 24 |
| Pearson, Maria (Indian Activist) | | | 21, 28, 46 |
| Peasley, Tom (vivtim) | | | 05 |
| Peckinpah, David | | | 08 |
| Peckinpah, Sam (David Samuel) Movie & TV Director | | | 52 |
| Peel, B.L. (T | | | 12 |
| Peel, Robert (Victim) | | | 12, 13 |
| Peg-leg Watson (see: Eskridge, Thomas) | | | 0 |
| Pellet, Betty | | | 03 |
| Pendelton Round-Up | | | 01, 34 |
| Peppin, George (LCW, Army Officer, Sheriff) | | | 13, 20, 25, 29, 37 |
| Perpetual Emigrating Fund Company [PEF] (Mormon) | | | 23 |
| Perrett, John ("Potato Creek Johnny") | | | 0 |
| Perrin, Edward O. (Indian Fighter, etc.) | | | 51 |
| Perrin, Edwin O. | | | 0 |
| Pershing, Maj. Gen. John J. (U.S. Army) | | | 06, 11 |
| Pestiferous Posse (T) (The Vendetta) | | | 12 |
| Peta Nocona (Comanche War Chief) | | | 20 |
| Peter Schuttler Co. (Wagonmakers c.1870) | | | 0 |
| Pettis, George (Lt.) U.S. Army | | | 48 |
| Phantom Plainsman, The (M) 1942 | | | 50 |
| Phillips, John "Portuguese" | | | 52 |
| Phillips, Mary Ann (Madame) | | | 05 |
| Philllips, William T. (see: Butch Cassidy) | | | 0 |
| Philmont Scout Ranch | | | 30, 43 |
| Philpot, Bud (T, Stage Driver, Victim) | | | 11, 27 |
| Picacho Peak, Battle of (AZ) | | | 15 |
| Pickett Brothers Bronco Busters and Rough Riders Association | | | 14 |
| Pickett, Tom (Outlaw) | | | 20, 51 |
| Pickett, Bill (Pioneer, Rodeo Cowboy, Movie Actor) | 49 | 14 | 14, 49 |
| Piece of Eight (Spanish Dollar) | | | 08 |
| Pierce, "Kid" (Bank Robber) | | | 41 |
| Pierce, Charley (Outlaw, Victim) | | | 18 |
| Pierce, Franklin (14th U.S. President) | - | - | 09 |
| Pike, Zebulon (Lt.) U.S. Army [Explorer, Spy) | | | 28, 38, 46 |
| Pilgrims) | | | 06, 07, 16, 17, 22, 26, 27 |
| Pima Indians | | | 27 |
| Pine Ridge Reservation (Sioux Indians) | - | - | 02 |
| Pinkerton Agent (or just "Pinkerton") | - | - | 04, 06, 11, 13, 29, 35, 42, 46, 47, 50 |
| Pinkerton National Detective Agency | | | 15, 26, 40 |
| Pinkerton, Alan (Detective) | | | 05, 26, 34 |
| Pioneer Town | | | 0 |
| Pioneer Woman, The (Commerative Statue) | | | 16, 40 |
| Pioneer, The by Solon Borglum (1915)( | | | 22 |
| Pistol Pete (Frank Eaton) | | | 14, 43 |
| Pistols and Petticoats (TV) ???? | | | 0 |
| Pitkin, Fredrick W. (Colorado Govenor) | | | 22, 35 |
| Pitts, Charlie (JYG) | | | 36 |
| Pizanthia, Joe (a one-man placer?) | | | 02 |
| Place, Etta (Paramour (wife?) of The Sundance Kid) Mystery woman of the Wild Bunch! | | | 08, 31, 51 |
| Plainsman, The (M) 1936 | | | 45 |
| Pleasant Valley War (AZ) | - | - | 06, 29, 33, 35, 36, 47 |
| Plenty Horses (Brule Sioux Warrior) | | | 52 |
| Plummer Gang, The | | | 02 |
| Plummer, Henry (Sheriff, Outlaw, Swinger) | - | 2 | 02, 21, 25, 26, 46 |
| Plummer, James Pratt (Indian Captive) | | | 20 |
| Plummer, Rachael (Kidnap Victim) | | | 12, 20, 25 |
| Poker | | | 0 |
| Poker Alice (see: Ives, Alice) | | | 0 |
| Poker Tom (Indian Gambler, Dinner) | | | 23 |
| Politician | | | 10 |
| Pollard, Snub | | | 0 |
| Pollock, Tom (Marshal) | | | 31 |
| Ponca Indians (Oklahoma) | | | 18, 40 |
| Ponce, Norrato | | | 02 |
| Pond, Sam (see: LeRoy, Sam) | | | 0 |
| Pony Express | 14 | 43 | 02, 03, 05, 09, 14, 15, 23, 37, 40, 43 |
| Pope, John (Lt.) U.S. Army | | | 35 |
| Poppleton, Andrew J. (Attorney) | | | 18 |
| Porter, Edwin Stanton (Movie Director) First Western | 16 | 18 | 16, 18 |
| Porter, Fannie | | | 07 |
| Porter, William J. (unlucky shooter) | | | 12 |
| Porter, William Sydney (see: O. Henry) | | | 0 |
| Portland, OR | | | 04 |
| Porum Range War (OK- 1911) | | | 34 |
| Posse from Hell (M) 1961 | | | 22, 43 |
| Postmaster) | | | 10 |
| Post, Wiley (Aviator) | | | 33 |
| Potawatomis Indians | | | 21 |
| Pottawatomie Massacre, The (KS - 1856) | | | 21 |
| Powder Horn Bill (crack shot) | | | 27 |
| Powder River War (see: Red Cloud's War) | | | 0 |
| Powdersmoke Range (M) 1935 | | | 23 |
| Powell, George (Detective) | | | 22 |
| Powell, John Wesley (Soldier, Geologist, Ethnologist, Explorer) | 12 | 38 | 12, 21, 33, 38 |
| Powers, Bill (DG) | | | 40 |
| Prather, Ed (Fractious Barkeep) | | | 27 |
| Preece, William (Sheriff) | | | 16 |
| Prescott Rodeo | | | 0 |
| Preston, William "Wild Bill" | | | 41 |
| Preston, Robert | | | 0 |
| Pretty Shield (Crow woman) | | | 24 |
| Price, ?? (General) ? | | | 43 |
| Pride of the Range (M) 1910 | | | 34 |
| Primeau, Susette (wife of Standing Bear) | | | 18 |
| Prince of Hangmen (see: Maledon, George) | | | 0 |
| Proctor, Richard (Deputy Sheriff) | | | 32 |
| Promontory Summit, UT (Joining of the Transcontinental RR) 1869 | | | 19 |
| Pruitt, Port (Victim) | | | 31 |
| Putney, Walt "Wat" | | | 16, 27, 38, 44 |
