San Mateo — places named for Saint Matthew

Where the name appears

Examples of locations called San Mateo include municipalities in the Philippines and Latin America, and well-known places in the United States. In California, San Mateo is both a city on the San Francisco Peninsula and the name of the surrounding county in the northern Bay Area. In the Philippines, San Mateo is a suburban municipality east of Metro Manila in Rizal province. Many other countries in Central and South America and Spain itself contain towns or districts bearing the same name.

Origins and significance

The name derives from Saint Matthew, one of the twelve apostles and traditionally credited with the Gospel of Matthew. Spanish explorers, missionaries and colonial administrators frequently used saints’ names when founding or renaming settlements; this practice left a dense legacy of ecclesiastical toponyms across the Spanish-speaking world. The connection to Saint Matthew is sometimes visible today in local churches, annual religious observances and street names.

Places called San Mateo vary widely in size and character: they can be small rural communities, suburban towns near major cities, administrative districts, or county seats. Local institutions—such as schools, churches and hospitals—often carry the same name, which means that the phrase "San Mateo" by itself requires context to identify a specific place.

Common approaches to disambiguation include appending the province, state or country (for example, San Mateo, California or San Mateo, Rizal). Travel guides and databases typically list the larger administrative unit to avoid confusion. When researching or planning a visit, check for the relevant qualifiers and local transport connections.

• Origin: Spanish for Saint Matthew; tied to Christian naming traditions.
• Distribution: widespread in former Spanish colonies and Spanish-speaking regions.
• Common forms: cities, counties, districts, parishes, and local institutions.

For a concise starting point on the name and its many uses, see general disambiguation pages or regional references such as San Mateo listings that group places by country and administrative type.