top of page
Image by Mr Cup / Fabien Barral

The Weir Genealogy Room

In 1987, the Edgar Weir family provided for the creation of a resource room where family and local history could be researched. Located on the second floor of the Butler Area Public Library, the room is available by elevator or stairs. Here you will find the largest genealogical collection in Butler County.


The Weir Room is open for self-directed research during the following hours:

Monday through Thursday - 9:00AM to 7:45PM

Friday - 9:00AM to 4:45PM

Saturday - 9:00 AM to 3:45PM

Closed Sundays


If you anticipate needing staff assistance during your visit, please call or email ahead to confirm availability.

By email:

By phone: 724-287-1715

Prepare for Your Visit

  • Bring any materials to help guide your search.

  • Bring quarters for microfilm readers and copier.

  • Free parking for library visitors is available in our lot on the north side of our building, corner of McKean and E. Brady Streets.

  • Phone 724-287-1715 or e-mail baplreference if you have further questions.

What Resources are in the Library and Online?


  • Beginner guides to genealogical research and genealogical dictionaries.

  • 4,500 volumes, including local histories, family histories, maps and gazetteers.

  • 1000 rolls of census, newspaper and probate microfilm.

  • State of the art microfilm and microfiche readers and copiers

  • An online obituary and newspaper index dating from 1818 to 2020 with over 476,000 names.

  • More than 1,000 family files and 1,600 topical vertical files available with staff assistance.


Most resources are searchable in our Online Catalog!


Check out our on-site, online, and Butler County resources to assist in your genealogy journey. For information about how to use our genealogy resources, view one of our resource guides directly below or view our Family History Fridays On-Demand Video Series at the bottom of the page.

Family History Fridays On-Demand Video Series

From beginner Ancestry research tips to advanced topics like courthouse record indexes and mapping strategies, our Family History Fridays series is available to watch any time, anywhere. Available any time via our Youtube Page.

Family History Fridays

Family History Fridays: Welcome to the Weir Genealogy Room

Butler Area Public Library
Family History Fridays: Welcome to the Weir Genealogy Room
Search video...
Family History Fridays: Welcome to the Weir Genealogy Room

Family History Fridays: Welcome to the Weir Genealogy Room

Play Video
Family History Friday: Beginner's Guide to Family Search

Family History Friday: Beginner's Guide to Family Search

Play Video
Family History Fridays: Top 5 Tips for Beginners

Family History Fridays: Top 5 Tips for Beginners

Play Video

Acknowledgements and Thanks

Slippery Rock University

The following individuals from The Computer Science Department designed, coded, and tested the software programs to bring the Obituary Index to Butler Area Public Library’s Website.

  • Dr. Deborah Whitfield

  • Stephan Browarny

  • Kurt Loverde

  • Andrew Beers

  • Dominic DePasquale

  • Jonathan McAnulty

Butler Area Public Library Volunteers

From the 1980s to the present, the following people contributed in one or more ways by extracting information, designing the database, photocopying information, entering data into the computer, proof-reading entries, or testing the search software.

  • Pat Collins

  • Joyce Emmel

  • John Long

  • Gary Anderson

  • Bea Parker

  • Nancy McKain

  • Sara Cotellese

  • Collette Bowser

  • Anita Bonner

  • Mary Ann Macri

  • George Fetters

  • Audrey Fetters

  • Donald & Diana Hall

  • Carol McEvoy

  • Donna Livengood

  • Veronica Rozic

  • Karen Grelling

  • Kristen Kwiatkowski

  • Cathy Mahoney

  • Scott Emmel

  • Kim Pfenningwerth

  • Rhonda Douthett

  • Karen Monday

  • Carol Fair

  • Sandy Hutchins

  • Jagruti Desai

  • Dixie Reimold

  • Duane Wible

  • Connie McClelland

  • Helen Cook

  • Margaret Tiberi

  • Patricia Shanor

  • Carole Hall

  • Nancy Novosel

  • Nancy Brown

  • Linda Muchicko

  • Jillian Stern

  • Linda Shingleton

  • Ray Hoffman

  • Janice Nulph

  • Kathy Oesterling

  • Bill Cooper

  • Lou Heitlinger

  • Denise Seilhammer

  • Pam Snyder

  • Ron McKinney

  • Colleen Collins

  • Melitta Garbuny

  • Luanne Eisler

  • Brystal Gilliland

  • Jean Karls

  • Barbara Cress

bottom of page