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“Mark was a good & honest man. I met Mark the first time when his father Judge Flaherty was running for County Commissioner and he was a friend of...Read More »
1 of 29 | Posted by: Kevin McFarland - Jefferson Hills, PA

“I’m so saddened with the news of Mark’s passing. He was so genuine, kind, funny, and just a wonderful friend & classmate. I will...Read More »
2 of 29 | Posted by: Ellen Titus Cannon ‘80 - OH

“Mark was a kind and thoughtful person whose presence definitely made this world a better place. He rarely talked about himself, and his face always...Read More »
3 of 29 | Posted by: Barb, Dave, and Jimmy Meek - PA

“Our sympathies go out to the Flaherty family. I was lucky enough to meet Mark our first day at Duke together and we had been friends ever since. ...Read More »
4 of 29 | Posted by: Doug Baker - Signal Mountain, TN

“I am so sorry for your loss. Mark was such a great guy. Always smiling. I know you all have so many memories of him. I hope these memories can carry...Read More »
5 of 29 | Posted by: Sue Opp - Somerset, PA

“We are blessed to have known Mark and had him in our lives. Since college, he was always there with his great smile, laughs and kindness. He will...Read More »
6 of 29 | Posted by: Tom and Lee Decker - NC

“Sending prayers to the Flaherty Family. I remember watching Mark play soccer at Mt. Lebanon High School. He was a tough competitor but always a big...Read More »
7 of 29 | Posted by: Sandra Wilcher Hannan

“Sending prayers to the Flaherty Family. I remember watching Mark play soccer at Mt. Lebanon High School. He was a tough competitor but always a big...Read More »
8 of 29 | Posted by: A friend

“Mark is a dear friend. He was a teammate, classmate and roommate at Duke University. And most of all a wonderful person and the world lost a...Read More »
9 of 29 | Posted by: David Amaro - Bensalem, PA

“So very sad to hear... my deepest of sympathy!Mark, will be missed as one of the most gentle of men. I was blessed to meet and become a friend of...Read More »
10 of 29 | Posted by: Jane E. Klimchak Klimchak - PA

“Mark was a true original. We were freshman roommates at Duke and from the moment I met him I knew I was in the presence of an incredibly positive,...Read More »
11 of 29 | Posted by: Charles Ball - Livermore, CA

“This is such sad news. Mark was a great guy and I loved when he would come and help out our girlsSoftball teams. Always pleasant, helpful and kind...Read More »
12 of 29 | Posted by: Mary Withrow - Pittsburgh, PA

“My deepest sympathy to the Flaherty family. I will always remember Mark with a welcoming smile & always a kind person. It was such a shock to hear of...Read More »
13 of 29 | Posted by: Barbara Ann Cisek & Family - PA

“It is with deep sadness that I learned of Mark’s passing. My heartfelt sympathy to the Flaherty and Smith families. Mark was an extraordinary...Read More »
14 of 29 | Posted by: Lauren Vitalie - Classmate

“To the family of Mark Flaherty,May the light that Mark brought to so many shine upon you now and forever. I fondly recall Mark coaching the Mt. Lebo...Read More »
15 of 29 | Posted by: Aimee Kane - Pittsburgh, PA

“Truly Heartbroken! So many are impacted by Marks passing. He's been in our thoughts and prayers since we learned of his condition. Mark made an...Read More »
16 of 29 | Posted by: Shari King Marsden - Sandy Spring, MD

“I am sorry to hear of Mark's passing. Please accept my deepest sympathies. We lost Mark too soon. May his memory be a blessing. ”
17 of 29 | Posted by: Steven Silverman - Pittsburgh, PA

“May his memory forever be a blessing. Thinking of you all during this difficult time. Susan, Joe, Sam and Julia Freudenberg ”
18 of 29 | Posted by: Susan Freudenberg - Friend

“Anne and Deirdra,We are so very sorry for your loss. Mark was such a kind man. We enjoyed our time together in the mountains. You are in our...Read More »
19 of 29 | Posted by: Paula Contini - Gibsonia, PA

“My Sympathies to family and friends. ”
20 of 29 | Posted by: Duffy Rooney - Pittsburgh, PA

“Deepest Condolences.The Flaherty Family is in our thoughts and prayers.Jeff and Maura Schupack ”
21 of 29 | Posted by: Jeff Schupack - Mendham, NJ

“I am so very sorry to hear of your loss. We met Mark through the amazing game of softball and we saddened to hear of his passing. Prayers going up...Read More »
22 of 29 | Posted by: Michelle Salo - Indian Trail, NC

“Condolences from the Wittlin's we always have a warm spot for your entire family. Mark will be missed ”
23 of 29 | Posted by: Mike Wittlin - Boca Raton, FL

“To the entire Flaherty and Smith family...I am deeply saddened by Mark's passing as is my wife Ann. Mark and I shared wonderful times and experiences...Read More »
24 of 29 | Posted by: Mark malick - Zelienople, PA

“It was impossible to grow up in Lebo and not feel the light, love and laughter of the Flaherty family. So deeply saddened that Mark‘s light has...Read More »
25 of 29 | Posted by: Sandy D'Alesandro Huber - Stowe, VT

“To The Family of Mark Patrick Flaherty:May his soul rest in peace and may the perpetual light shine upon him.With deepest sympathy,/s/ Paul J. Gitnik ”
26 of 29 | Posted by: Paul J. Gitnik - PITTSBURGH, PA

“Michael, My heart goes out to you and your family. Our siblings carry a piece of our hearts in theirs. ”
27 of 29 | Posted by: Lori Banner - Friend

“Deepest sympathy to the families of Mark .So sad to hear of his passing ”
28 of 29 | Posted by: Elvira Pollock - Pgh, PA

“Condolences ”
29 of 29 | Posted by: Patrick Naughton - Menlo Park, CA


Former Allegheny County Controller Mark Patrick Flaherty, 59, of Mt. Lebanon, died peacefully surrounded by his loving family on Monday, January 3, 2022, at St. Margaret Hospital from complications related to COVID-19. Mark leaves behind his wife, Anne (Keegan), and daughter Deirdre, 16. Mark is the son of Katy Flaherty and the late former Allegheny Commission Chairman and Commonwealth Court Judge Jim Flaherty.
After he left public service, Mr. Flaherty continued to practice law, representing individuals and governmental agencies, and working in SEC regulatory compliance as an investment advisor representative.
Mark was a three-sport varsity athlete at Mt. Lebanon High School, including being named to a United States High School All American soccer team and was a WPIAL player of the year in 1979. Mark was a top high school wrestler at Mt. Lebanon and Sewickley Academy, where he became a section champion as an eighth-grader. He played NCAA Division I varsity Baseball at Duke University, from which he graduated in 1984 with a degree in Economics. Mark was actively involved in coaching girls' sports in Mt. Lebanon, including soccer and softball. Mark was an avid sportsman and athlete. He participated in adult soccer and ice hockey leagues, was an excellent skier and golfer, and closely followed all of Pittsburgh's professional sports teams.
Mark was very proud of his daughter and her accomplishments. He loved his time with her during travel softball games and tournaments, and actively volunteered in her WPRC ski teams' racing events. The two played golf matches together and enjoyed long car rides together traveling to her events.
Mark worked his way through law school promoting the early Pittsburgh Marathon races in the late 1980s and 90's. He served as a legal intern for Western District Federal Court before practicing tax at PWC for two years. After graduating from Duquesne Law School, he eventually went into private practice, prior to a successful run for the Controller's position. He served two terms, beginning in 2003. His twenty-year legal practice included the areas of tax, finance, corporations, government, and representing minority and women's business enterprises.
During his two terms as Controller, Mark worked to transfer the Bureau of Weights and Measures into the Controller's Office, reducing the administrative expense of that division. He automated several processes in the Controller's Office, which had historically been performed manually, winning a national award for government office automation. Mr. Flaherty cleaned up the assessment office and authored the home-rule study commission that ultimately changed county government, authoring a study that led to the restructuring row offices from 10 to 4 positions. He also was on the Allegheny County jail oversight board for eight years and was one of the leading voices for reforming an overcrowded jail. His experience in legal, government finance, and equity reform brought necessary and meaningful changes to Allegheny County. He worked on decreasing inmate capacity at the Allegheny County jail and created an MWOB (Minority/Woman-owned businesses) program at the pension board which allowed these businesses a share in county opportunities. Mark's work as Controller saved Allegheny Taxpayers millions of dollars and the performance audits he authored during that time introduced several efficiencies which county government continues to implement to this day.
After leaving the Controller's office he was selected to serve on the Pennsylvania County Code Revision Committee in 2013-2018, where he was tasked to rewrite Pennsylvania's County Code, correcting gender biases and other equality issues, thus modernizing the legislation. He was also selected by his peers to serve as legal counsel for the Pennsylvania State Association of County Controllers (PSACC) in 2012.
Mark also represented underserved communities in the areas of municipal finance as well as several minority/women's business start-up ventures, enabling them to participate in the awarding of government contracts.
In addition to his wife, daughter, and mother, he is survived by his brother Michael (Laurel), and sisters Mary Rita Flaherty (Andy Schroer) of Mercersburg, PA, Maureen Menton (Bernie Menton) of Braintree, MA, and Molly Flaherty of Avondale, PA. He was cherished by his five nieces and seven nephews, and beloved by his cousins and friends.
Friends may join colleagues and family at WILLIAM SLATER II FUNERAL SERVICES, 1650 Greentree Rd., Scott Twp 15220 for visitation Sunday, January 9, 12-3 and 5-7 p.m. A Mass of Christian Burial follows on Monday, January 10 at 10 am at St. Bernard Church, St. Michael the Archangel Parish, 311 Washington Road in Mt. Lebanon. Burial to follow in Queen of Heaven Cemetery. www.slaterfuneral.com

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