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In loving memory of
Dennis Sullivan
  • April 20, 1948
  • -
  • January 08, 2018

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Dennis William Sullivan, 69, of Lake Mary, Florida passed away January 8, 2018 at the Florida Hospital Lake Mary Emergency Clinic . He is survived by his wife Mary Ann Sullivan of Lake Mary, Florida, two daughters and son-in-laws, Carrie Ann Cloud of Atlanta, Georgia and her husband Brooks Cloud, Jennifer Marie McCombs and her husband Justin McCombs of Sanford, Florida, one son, Patrick Joseph Sullivan of Lake Mary, Florida, three grandsons, Darien Sullivan, Finn McCombs, Wyatt Cloud, one granddaughter, Avery Sullivan, and many cousins.   Dennis established Dennis W. Sullivan & Associates, Inc. in 1983 and built it into a successful financial planning business. He attained numerous awards throughout his career. He loved meeting people and established many close friendships with his clients. His motto was “Work Hard, Play Hard”.  He and his wife Mary Ann traveled extensively. He embraced his Irish heritage and was so thrilled to visit Ireland in 2015. Dennis enjoyed working out at the gym and running was his passion, completing two marathons in 2004. He is pre-deceased by his parents, Mary and Ernest Sullivan and a sister Mary Beth Sullivan. A Celebration of Life will be held at 11:00 a.m. on Friday, January 19, 2018 at Northland Church, 530 Dog Track Road, Longwood, Florida 32750.

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  1. 27 Jan 2018
    Clifton Family says:
    Our prayers are with you Mary Ann and the entire Sullivan Family. We will miss not seeing Dennis on his early morning run through the neighborhood. Rest in peace Dennis

  2. 24 Jan 2018
    Katherine Pattee lit a candle:
    Lit since January 24, 2018 at 1:07:42 PM

  3. 19 Jan 2018
    Katherine Hoey says:
    Mary ann and family
    MAsses will be said at St. A'S chapel in repose of the soul.
    KAtherine Hoey

  4. 19 Jan 2018
    Patrica Parsons Bannin says:
    I have known Dennis since kindergarten at St.Mary's Academy in Glen Falls, was so nice to see him at the 50th reunion. May he Rest in Peace.. he will be remembered in my prayers.

  5. 18 Jan 2018
    Geri and Lee Evans says:
    Prayers and love sent to you and your family, MaryAnne. I am so sorry.

  6. 18 Jan 2018
    Lisa Weseman says:
    Thinking of you all and sending love. He was always such warm person who loved his family very much. He leaves a wonderful legacy in his children and grandchildren.

  7. 17 Jan 2018
    Chris Braun says:
    Mary Ann: I’m so sorry about Denny. My thoughts are with you and the family.

  8. 17 Jan 2018
    Tommy and Marty Harrison says:
    Our prayers are with you Mary Ann and family. We thought the world of Dennis and enjoyed being with him through these many years. He will be missed by all of us friends and professionals.

  9. 17 Jan 2018
    David Ingalsbe says:
    From a classmate of Denny's from St Mary's Academy Class of 1966. I've known Denny since kindergarten. Wonderful seeing and talking with he and Mary Ann at our 50th Reunion. So sorry for his passing, Our love and prayers go out to his entire family.

  10. 17 Jan 2018
    Chuck and Nancy Ashdown says:
    We are so shocked to hear about Dennis. So sorry for your loss. He was always such an up beat person and will be missed.

  11. 16 Jan 2018
    Martha Pattee Carruthers lit a candle:
    Lit since January 16, 2018 at 1:29:53 PM

  12. 16 Jan 2018
    Rene Clements says:
    My thoughts and prayers are with Mary Ann the whole family. So happy we were able to see Dennis at our 50th Reunion. A kind and all around nice guy. RIP

  13. 16 Jan 2018
    Melanie says:
    I am so sorry to hear this news. My grandparents are saddened. Dennis has always been so helpful with my grandparents, he will be missed and remembered greatly.

  14. 15 Jan 2018
    Barbara McCarthy Dator says:
    Denny was a great member of our St. Mary’s Academy class if ‘66. Our thoughts and prayers go out to his family!

  15. 15 Jan 2018
    Mary Linehan Stewart lit a candle:
    Lit since January 15, 2018 at 1:31:05 AM

  16. 14 Jan 2018
    Joyce Dorfman says:
    May god Bless you and your family .
    My heart felt loss to you and your family

  17. 14 Jan 2018
    Joyce dorfman lit a candle:
    Lit since January 14, 2018 at 1:13:20 PM

  18. 14 Jan 2018
    Tim & Lynn Riley says:
    God Bless
    Dennis, Mary Ann and family.
    We love you,
    Tim & Lynn Riley

  19. 14 Jan 2018
    Bob and Alice Bourbeau says:
    We are so sorry for your loss. He will be greatly missed for his kind, warm and generous spirit. We pray for God's blessings for you and your family.

  20. 14 Jan 2018
    James and Rose McElhaney says:
    Rose and I are very sorry to hear about the death of
    Dennis. We spent many times talking with Dennis and he always provided information that was in our best interests, We will miss him greatly. May he rest in peace.

  21. 13 Jan 2018
    Ellyn Garcy Minnich says:
    We are so very sorry for your loss. We are thinking of your entire family. Sending lots of love.

  22. 13 Jan 2018
    Therese L. Broderick (Albany, New York) says:
    Dennis Sullivan was very dear to the heart of my late mother, Elizabeth Linehan Broderick, his first cousin. I have fond memories of visiting Dennis in his parents' home in Glens Falls, New York, when I was a youngster. Recently he and his wife Mary Ann invited me out for lunch, sharing stories and laughs. I extend my deepest condolences to the Sullivan family, colleagues, and friends.

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