Lyons began his professional career working on the city desk of The Jersey Journal, writing sports and obituaries. After publishing a story as an intern on the Metropolitan desk of The New York Times, he covered the two national political conventions of 1968 for WINS.
From 1970 to 1991, Lyons was the film critic for WPIX. Following the departure of Roger Ebert and Gene Siskel, he co-hosted the PBS movie review show Sneak Previews from 1982 to 1996. He also appeared on MSNBC's At the Movies from 2004 to 2006 with his son, fellow critic and television personality Ben Lyons. On American AM radio, he hosted a show, "The Lyons Den," on WCBS (AM) from 1975 to 1993; the title is taken from the New York Post column that his father wrote for 40 years. He joined WNBC in 1996 as the station's film and theatre critic. His last report on WNBC was on June 26, 2009. He reported during Live at Five and NewsChannel 4newscasts. Lyons created and co-hosted the NBC syndicated movie review TV show Lyons & Bailes Reel Talk from 2005-09. He currently hosts a syndicated radio program called "LYONS DEN RADIO" and appears on several national TV shows talking movies. In addition to his work as a critic, he has appeared as himself in Deathtrap,[3] and the TV series Wiseguy.
Lyons is the author or co-author of eight books, including Jeffrey Lyons' 101 Great Movies for Kids. He and his brother Douglas have written several baseball trivia books, Out of Left Field, Curveballs and Screwballs, and Short Hops and Foul Tips. He's recently had two books published, Stories My Father Told Me: Notes From 'The Lyons Den', about his father's iconic Broadway column, and Catching Heat, co-authored with his brother Douglas and former YankeeJim Leyritz, whose biography it is. Jeffrey and Douglas Lyons have lectured at the Smithsonian Institution and at the National Baseball Hall of Fame and Museum in Cooperstown, New York. Lyons has been a guest announcer, both as play-by-play and analyst, for the Boston Red Sox radio network and Red Sox games in Spanish.[4]
In January 2012, he returned to WCBS radio and national syndication with another iteration of "LYONS DEN RADIO", reviewing five movies a week. In April 2013, he hosted "The Lineup: Best Sports Movies" on Madison Square Garden TV, choosing the five best movies in eight sports over eight programs on a panel with Spike Lee, actors Robert Wuhl and Chazz Palminteri, hosted by former Yankee Fran Healy. In March 2014, he hosted another series of shows on the best movies about New York entitled The Lineup: Best New York Movies again with Spike Lee, and actors John Leguziamo and Ed Burns, followed by another series of shows about boxing entitled The Lineup: Boxing's Greatest in 2016.
In February 2014, he signed a contract with Abbeville Press to write a sequel to "Stories My Father Told Me, Notes From The Lyons Den," called "What A Time It Was! More Notes From The Lyons Den," also about his father's era as a New York Broadway columnist. The book was published in September 2015.
Jeffrey is married to his wife, Judy.[10] He has two children, television personality Ben Lyons[11] and Hannah Lyons.[12] His niece, Margaret Lyons, is a television critic for The New York Times.[13]