A common noun names any person, place, thing, or idea. A proper noun names one particular person, place, thing, or idea. | 
| All the important words in a proper noun start with a capital letter. | 
 | Common Noun | Proper Noun |  
| Person | captain | Captain Meriwether Lewis |  
| Place | land | Louisiana Territory |  
| Thing | team | Corps of Discovery |  
| Idea | destiny | Manifest Destiny |  
  | 
| Proper nouns include: |  | 
| • names of people and their titles | Laura Roberts Captain Meriwether Lewis But: Do not capitalize a title if it is used without a name: The captain’s co-leader on the expedition was William Clark. | 
| • abbreviations of titles | 
Mr. Ramos  
Mrs. Ramos  
Dr. Schuyler  
Ms. Nguyen  
 
 | 
| • words like Mom and Dad when they are used as names | “Mom, can you tell me more about the expedition?” said Laura. But: Do not capitalize names if they follow a word like my. I ask my mom a lot of questions. | 
| • organizations | 
| United Nations | Science Club | Wildlife Society | Lodi City Council |  
  | 
| • names of languages, subject areas, and religions | 
| Spanish | Mathematics | Buddhism |  
| Vietnamese | Social Studies | Christianity |  
  | 
| • names of geographical places | 
| Cities and States | Countries | Continents |  
| Dallas, Texas | Iran | Asia |  
| Miami, Florida | Ecuador | South America |  
| St. Louis, Missouri | Cambodia | Africa |  
| Streets and Roads | Landforms | Public Spaces |  
| King Boulevard | Rocky Mountains | Hemisfair Plaza |  
| Main Avenue | Sahara Desert | Central Park |  
| First Street | Grand Canyon | Muir Camp |  
| Bodies of Water | Buildings, Ships, and Monuments | Planets and Heavenly Bodies |  
| Yellowstone River |  |  |  
| Pacific Ocean | Empire State Building | Earth |  
| Great Salt Lake | Titanic | Jupiter |  
| Gulf of Mexico | Statue of Liberty | Milky Way |  
  | 
| • abbreviations of geographic places | 
| Words Used in Addresses |  
| Avenue | Ave. | Highway | Hwy. | South | S. |  
| Boulevard | Blvd. | Lane | Ln. | Square | Sq. |  
| Court | Ct. | North | N. | Street | St. |  
| Drive | Dr. | Place | Pl. | West | W. |  
| East | E. | Road | Rd. |  |  |  
  | 
| 
 | 
| • months, days, special days and holidays | 
| January | July | Sunday | New Year’s Day |  
| February | August | Monday | Mother’s Day |  
| March | September | Tuesday | Thanksgiving |  
| April | October | Wednesday | Hanukkah |  
| May | November | Thursday | Kwanzaa |  
| June | December | Friday |  |  
 |  | Saturday |  |  
  |