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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. Clifton Family says:
    27 Jan 2018
    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. Katherine Pattee lit a candle:
    24 Jan 2018
    Lit since January 24, 2018 at 1:07:42 PM

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

  4. Patrica Parsons Bannin says:
    19 Jan 2018
    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. Geri and Lee Evans says:
    18 Jan 2018
    Prayers and love sent to you and your family, MaryAnne. I am so sorry.

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

  8. Tommy and Marty Harrison says:
    17 Jan 2018
    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. David Ingalsbe says:
    17 Jan 2018
    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. Chuck and Nancy Ashdown says:
    17 Jan 2018
    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. Martha Pattee Carruthers lit a candle:
    16 Jan 2018
    Lit since January 16, 2018 at 1:29:53 PM

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

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

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

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

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

  19. Bob and Alice Bourbeau says:
    14 Jan 2018
    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. James and Rose McElhaney says:
    14 Jan 2018
    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. Ellyn Garcy Minnich says:
    13 Jan 2018
    We are so very sorry for your loss. We are thinking of your entire family. Sending lots of love.

  22. Therese L. Broderick (Albany, New York) says:
    13 Jan 2018
    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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