Walk down Academy Street and you’ll find one of downtown Trenton’s quiet powerhouses, a place that has outlasted wars, reinventions, and generations of change. The Trenton Free Public Library, founded in 1750, is the oldest library in New Jersey and one of the city’s most enduring civic anchors. Today, it’s not just a library. It’s a memory keeper, a community hub, and a cornerstone of downtown’s future.
At the center of it all is Karen O’Malley, Library Director whose own story mirrors the institution she leads.
O’Malley earned her Master of Library Science from Queens College, CUNY, and has worked in libraries since 2001. Her career spans academic, youth, and adult reference roles, leading to her first directorship at Union Public Library in 2015, where she rebuilt staff, strengthened community partnerships, and helped design a new state‑of‑the‑art library. That experience shaped her leadership philosophy: libraries must be safe, equitable, and welcoming to all, and every decision should improve the institution for patrons, staff, and the community. Today, she brings that mission‑driven approach to the Trenton Free Public Library, stewarding both its public service role and its responsibility to preserve Trenton’s rich historical record.
O'Malley's relationship with libraries began long before her career did. After earning her Master of Library Science from Queens College, she spent years in academic, youth, and adult reference roles before stepping into leadership at Union Public Library. There, she rebuilt staff, strengthened community ties, and guided a major architectural project from concept to opening day.

TFPL’s story is woven into Trenton’s own. Founded as the Trenton Library Company in 1750, the institution survived destruction during the Revolutionary War, only four volumes from its original collection remain. In 1900, residents voted overwhelmingly to create a tax-supported public library, transforming the old subscription model into a civic institution for everyone.
Its building reflects Trenton’s evolution:
1902: Original structure by Spencer Roberts
1915: Expansion by Edward L. Tilton, famed Carnegie architect
1976: Centennial Wing added
The site itself once held the Trenton Academy, the Joseph Wood School, and even the city’s 1808 jail and workhouse. Few buildings downtown carry this much history in their foundation.
If the library is the anchor, Trentoniana is the treasure.This multi-floor archive is one of the most extraordinary local-history collections in the country, not because it’s locked away, but because it’s open to everyone. No credentials. No barriers. Inside, you’ll find:
It is, quite literally, the city’s memory; preserved, accessible, and continually expanding through digitization.
TFPL is more than its past. It’s a present-day engine for downtown Trenton. Recent improvements include:
And more is coming: restoration of the historic reading room, masonry repairs, refreshed community rooms, and a citywide engagement process to understand what residents need next.
The Director sees TFPL as a partner in downtown’s evolution, a safe, welcoming space for office workers, families, students, seniors, and anyone who needs a place to belong.
We have a robust online digital library available 24/7 to cardholders which can be found on our website www.trentonlib.org Cardholders have free access to:
For those who lack internet access, we loan out hotspots to cardholders in good standing..
Through Trenton’s ups and downs, TFPL has remained a constant. Its legacy isn’t just about books or archives, it’s about usefulness, trust, and continuity.
As the Director puts it, “the library is not a static building. It’s a civic and economic partner, ready to help shape the next chapter of downtown Trenton.”
And in a city defined by history and poised for renewal, the Trenton Free Public Library stands as both memory and momentum, a place where the past is preserved, the present is supported, and the future is already being written. Trenton Free Public Library – Website for the Trenton Free Public Library