Unfortunately, there is no available information in the search results about a U.S. nonprofit organization named "Marys House Inc" with the specified EIN: 263776491. The search did not provide details about this organization, so an article cannot be written based on the current information. However, you might explore other sources like the IRS or ProPublica's Nonprofit Explorer for more details.

If you are looking for information on other organizations with similar names, here is a brief overview of two different organizations:

Marys House for Older Adults Inc.

Category: Housing, Shelter for Senior Citizens
This organization is a 501(c)(3) nonprofit focused on housing for older adults.

Mary House

Purpose: Provides transitional housing and support services to low-income immigrant and refugee families.
Mary House operates in the DC metro area, relying on grants and donations to support its mission.

MARYS House

Mission: Offers emergency shelter and faith-based family services for victims of domestic violence, aiming to ensure safety and promote independence.
MARYS House is a 501(c)(3) organization based in South Carolina.

However, without specific information about "Marys House Inc" with EIN 263776491, an article cannot be generated.