New Students

New Students

Welcome to DCU Library

DCU Library is open with limited occupancy.

Come in and study, browse the shelves and borrow material, with no need to pre-book a seat.

It is no longer necessary to request a book online in advance, simply walk in and borrow available titles at a time that suits you.

O' Reilly Library

O' Reilly Library

O' Reilly Library, Glasnevin Campus

O’Reilly Library is located at the end of the Mall on the Glasnevin Campus. 

Students in Nursing, Business, Sciences, Maths, Engineering, Law & Government, and Communications will find a huge range of tailored print resources available to them here.

Campus maps here.

Cregan Library

Cregan Library

Cregan Library, St. Patrick's Campus

Cregan Library is located in the G Block on the St Patricks’ Campus. 

Students based on St Patrick’s Campus, and also on All Hallows Campus and studying all aspects of Education and many Humanities subjects, can find key print collections here to support their academic study.

Campus maps here.

Woodlock Hall

Woodlock Hall

Woodlock Hall, All Hallows Campus - opening soon!

Woodlock Hall Library is located in Senior House on the All Hallows Campus.

Check the library website for opening updates.

Campus maps here 

Always remember to bring your student DCU ID card when visiting our libraries.


Opening hours available here
  • The Library opening hours vary throughout the year. Up to date information is available on the Library website and on the front door of each library.
  • For extended opening hours the library will be open for Study Only with security. Library staff will not be available, but self service machines can be used to borrow and return items. PCs and printing facilities are also available.
  • Staff online/phone support available Monday to Saturday, 9am - 5pm
  • Online Chat With Us available 10am - 4pm, Monday to Friday
  • O’Reilly book return facility available 24/7
  • Cregan book return facility available during opening hours, Monday to Saturday.
  • DCU Library online resources (eBooks, eJournals) available 24/7
Self-Guided Library Tours

Find your way around our libraries through our self-guided tour options

These virtual tours on the right will give you an overview of the types and locations of services and facilities available within each library.



OR, be your own tour guide and pick up a printed guide in the library. Show yourself around and learn about the library at your own pace!

Cregan Library Self-Guided Tour PDF

O’Reilly Library Self-Guided Tour PDF

*Please note some of our library spaces may have access restrictions in place.

How to find a book/ebook

Start by searching Library Search on the Library website or on the dedicated catalogue PCs available in both libraries.

          Take a look at the quick video
          on how to find a book /ebook

O' Reilly Library (Glasnevin Campus)

Item Type                             Borrowing Information            Location
Main Collection Books    3 weeks / 48 hours 1st & 2nd Floors
DVDs    2 days 1st & 2nd Floors
Print Journals    No Loan 1st & 2nd Floors
Reference Collection    No Loan 1st & 2nd Floors
Government Publications    No Loan 1st Floor
Newspapers    No Loan 1st Floor
Dissertations    No Loan Ground Floor


Cregan Library (St. Patrick's Campus)

Item Type Borrowing Information                  Location
Main Collection Books    Long Loan / Short Loan 2nd & 3rd Floors
Teaching and Junior Collections           Long Loan / Short Loan 1st Floor
Reserve Collection    No Loan 1st Floor
DVDs    2 days 2nd & 3rd Floors
Print Journals    No Loan 2nd & 3rd Floors
Reference Collection    No Loan 2nd & 3rd Floors
Dissertations    No Loan Ground & 2nd Floors


short loan


Remember: 48 Hour / Short Loans (RED TAG) are due for return at a specific time - please make a NOTE of this time.

Undergraduates can borrow up to 14 items

Taught and Research Postgraduates can borrow up to 20 items

Bachelor of Education (B Ed) students can borrow up to 20 items

Remember: Only TWO 48 Hour Short Loans can be borrowed at a time

How to Borrow

  • Bring the book(s) to one of the self service machines found in any of our three libraries.
  • Press Borrow and follow the onscreen instructions.
  • Always print or email an issue receipt to get the due date for return.


Tip: Sign in to Library Search online to check the due date of each item you have on loan.

How to Return

Return all loans to the returns facilities located at either Library

These facilities can receive material from both libraries.

  • Or bring the book to one of the self service machines located on the ground floor in either library.
  • Press Return and follow the onscreen instructions.
  • Always print or email a return receipt to confirm the transaction
  • A book that has been reserved by another borrower cannot be returned on a self service machine. Return this book to the Issue Desk (or internal return facility outside staff service hours)
book return

Book Return Facility, O' Reilly Library

O’Reilly also provides a 24/7 external return facility. Located on the outside wall, left of the revolving door

Terms & Conditions to Note

  • It is the responsibility of the borrower to be aware of the due date for material and to return material on time and on date regardless of any courtesy reminders
  • Borrowers are deemed responsible for library items until received back by library staff and removed from the borrower's account. 
  • Overdue loans will restrict your ability to borrow and renew additional material. 
  • No late fines are being charged at this time.
My Library Account


How to Renew

Not finished with a book by its due date? No problem!
It’s easy to go online and renew your loan.

Sign in to My Library Account with your DCU username & Password. 

  • Click on My Loans to view your loans.
  • Click on the Renew button beside the item(s) you wish to extend the loan period.
  • Items can be renewed a maximum of 3 times before you return them.
  • 48 hour loans cannot be renewed and must be returned on or before the due date.
  • Contact for assistance.

As a DCU registered student you have access to a personal library account to allow you to keep track of loan dates, renewals, and reservations.

Sign in to My Library Account via Library Search.

To get access to any of our extensive online resources (ebooks, journals and databases), always search for it on the library website and log in with your DCU username and password, when prompted. 

Get in touch with if you encounter any issues accessing any of our online content.

If you forget your DCU username and password please contact ISS

The Library offers a range of study spaces both for individual and collaborative study.   Please take note of the types of spaces available in each library.

O'Reilly Library

Cregan Library

  • Walk-in Study

Woodlock Hall Library

  • Walk-in Study

Remember: Wear a mask inside library spaces at all times

Cregan Library


Terms & Conditions to Note

  • To ensure the safety of all library users and staff, do not move chairs or tables. We ask when you are leaving the library for whatever reason  to please bring all your belongings with you.
  • We ask that you do not visit the library if you are feeling unwell or have any symptoms of Covid-19
  • Food is not permitted in the library


In most cases, your lecturer will provide you with a module reading list. This list will comprise references to book chapters, books, journal articles, and other sources such as newspapers, websites and reports. You will need to locate these online or in print in order to read them.

Take a look at the short video we’ve created to help you make sense of your reading list and help you find the items on it.

Adapting to third level can be difficult at times - our team of friendly and professional Information Services Staff are available online to help you get the best out of the wide array of print/online collections, and the support services available to you.

As you settle into your new course in DCU, get in touch and let us know if you have any questions. 

Areas we can help with include:

  • Finding books and eBooks on your reading lists, and using the library catalogue
  • Locating subject information for your assignments and class projects
  • Help searching library databases for academic journal articles 
  • Help with citing and referencing / avoiding plagiarism queries
  • General assistance with all library services and collections

Email us, we are here to help. It’s your first port of call for any information queries about the Library:

O’Reilly Library           Cregan Library
E:           E:

But that’s not all! 

Do you have a quick question to ask, then why not use our live website chat service ‘Chat With Us’. Simply look for the pop-out tab on our homepage and a member of staff will reply almost instantly.

Available Monday - Friday, 10am - 4pm

As you settle in and want to explore the resources available to you and relevant to your subject area we recommend you bookmark your Library Subject Guide.
These guides are created by our team of Subject Librarians, each guide brings together the best quality information resources available for your subject. Find out how to search for books and journal articles in your subject area, and how to cite and reference your sources correctly. 

To get started, choose your subject from the list on the Subject Guides webpage

On this page is the contact details of your Subject Librarian who is available to advise and help you with your research.

We encourage you to check out LETS, our suite of short online tutorials, designed to help you locate, evaluate and use information ethically and effectively. 

We have tutorials on: 

  • locating books and journal articles 
  • searching library databases 
  • effective search techniques
  • what is plagiarism? And how to avoid it; 
  • how to cite and reference.

Our team of Subject Librarians will run various classes and workshops to help build your skills in finding, using and organising information.
Your lecturer will organise these classes with your Subject Librarian.

The library also provides workshops open to all students which you can attend, for example, Citing & Refencing.
        Check out the Calendar of library Classes & Workshops.


If you have any questions about the library or need any advice on how to get the best out of our many resources, please feel free to contact us using the details below. We are always happy to help!

O'Reilly Library
   Information services - 
   Issue Desk -  /  01 7005041

Cregan Library
   Information services -
   Issue Desk -  /  01 7009134

Woodlock Hall Library
   Information services -
   Issue Desk -  /  01 700 8517

Chat with us


Chat with Us

   Library staff available to chat online

   Monday - Friday; 10am - 4pm