Order Flowers

William Perrizo

July 16, 2016

Memorial Service

July 21, 2016
- 2:00 PM with a visitation one hour prior.

Boulger Funeral Home


Boulger Funeral Home

William Perrizo

July 16, 2016


Dr. William Perrizo was 73 when he died on July 16, 2016 in Fargo, North Dakota. He was surrounded by his loving family.

Bill was born on June 19, 1943 in Minnesota to Julian and Alice Perrizo. He was a University Distinguished Professor at North Dakota State University where he taught for 43 years in the Math and Computer Science departments, specializing most recently in Data Mining. He loved visiting his grandchildren, research, trees, mountains, thinking about multi-dimensions, mentoring and baseball.

He is survived by his wife, Ann Perrizo, his daughters Tracy and Jessica, his son Joshua, and his grandchildren, Gavrielle, Sigal, William and James. He is also survived by his brothers and sisters: Jack, Mary, Mike, Jim, Joe and Ken.

A memorial service will be held at Boulger Funeral Home located at 123 10th Street South on Thursday July 21, 2016 at 2:00pm with a visitation one hour prior.

In lieu of flowers, please consider sending a memorial to the Roger Maris Cancer Center in Fargo (820 4th Street North, in Fargo, North Dakota). Special thanks to Ann Perrizo and to Dr. Preston Steen, his oncologist, for their loving care over the years. To remember Bill, please consider planting irises in your garden.


Comments are not displayed until approved by a member of our staff.

21 responses to “William Perrizo”

  1. Maureen Shelton McGuire says:


    Karen called tonight to let me know of Bill’s passing. I will fondly remember him at the farm when we were all able to gather a couple of years ago. I will hold you and your family in my heart.as you find your way through this time.

    Love Reen

  2. Nem Schlecht says:

    Dr. Perrizo was a great mentor and instructor. He will be sorely missed.

  3. Beth Ingram says:

    Bill was an extraordinary researcher and mentor to students and other faculty. He will be greatly missed at NDSU. My thoughts are with you.

  4. Jill Shelton Miura says:

    Dear Ann, Tracy, Jessie, and Josh,

    I am very sorry to hear that sweet Uncle Bill has passed on. He was a kind, loving soul and we all are better for having known him.

    I am so glad that we were able to see him two years ago up at the farm. It was a gift.

    Our thoughts are with you all right now.

  5. Andrea Chaney says:

    Ann, Please know Derrick and I are thinking of you during this difficult time. Bill was so kind. We are praying for you.

  6. Lee C. Johnson says:

    So sorry to hear about Bill’s passing. He was a very humbled man who helped many. His journey here is finished ,but he’ll live in many hearts. I won’t be able to attend the celebration of his life due to a previous commitment. I pray you and your family can accept Bill has a new address and is at peace.

  7. Pam and Randy Bundy says:

    Ann and Family,
    We were saddened to hear of Bill’s death but we are happy his pain is gone. There are no words to express what Bill has meant to our family, especially our son Tim. We feel God brought Bill into Tim’s life and we will be grateful forever. May God be with you all, providing comfort and peace.

  8. Terry Krile says:

    My sincerest condolences to the family of Dr. Perrizo, whose brilliance, tenacity, perseverance, leadership and dedication to science is second to none. He had been my instructor, advisor and mentor and has influenced so many others in the field of computer science during his extraordinary career. He will be greatly missed!

  9. Lois Schneider says:

    Ann, my heart goes out to you and your family. I will remember Bill always riding his bike to school and your little children walking down the street. Bill was able to see them grow up with successful careers and you were a loving caregiver. Great to know you both over the years. You watched the Schneiders over the fence too…now we are all scattered. Love Lois Schneider

  10. Chuck Schindler says:

    Condolences To Bill’s Family and Friends

  11. Carol Pinke says:

    Dearest Ann and family,
    My deepest sympathy to you and your family. I am so sorry for your loss of Bill. May God give you strength during this difficult time. Cherish the memories you made together.

    Love and Hugs,
    Carol Pinke

  12. Jeff Johnson says:

    Hi Bill, I was deeply saddened by the news of your passing. I know however that your struggle is over and you are now in his everlasting arms. Thank you for your kindness, your humbleness and your willingness to share your story with me. You are and always will be an inspiration to me. I will always remember you.
    Jeff J.

  13. Phil Boudjouk says:

    Bill and I started at NDSU at the same time, 1973. I admired him from the very beginning. His research was outstanding and his standards were the highest possible. He truly loved NDSU.
    We were good friends and I will miss him very much.

  14. Samee U. Khan says:

    Very saddened by the news. He was a thorough gentleman.

  15. Imad Rahal says:

    Rest in peace Dr. P knowing that your health struggles are all over now. You were a mentor and a father to me and many others! Thank you for everything would’ve done for us; most importantly, thank you for helping shape who I am today.

    My sincerest condolences to his survivors.

  16. Bev Whitten says:

    Dear Ann, I am so sorry to hear that Bill has passed away. I am sure your memories are strong and will help you through this difficult time. Seems like only a few years ago we were writing a newsletter to help new Lamaze mom’s! Bev Whitten

  17. JoAnne M. Nelson says:

    So sorry to hear of Bill’s passing, he will be sorely missed by a lot of people. I’m certain Bill is basking in the sunlight of the spirit and is free of pain. Condolences to the family and our deepest sympathy.
    JoAnne & Tom Nelson

  18. Dave Halvorson says:

    It’s been quite a few years since I saw Bill. When ever I did see him he always had a warm smile and I was glad to see him. He had a way making you feel hopeful in his presence. I was sad to see his obituary and want to pass on my sympathy to the family.

  19. Amaury Alonso says:

    It’s very sad to see someone loved by so many pass away. Through this difficult time God would like us to look for him for comfort. God will not let you crumble for he is close to the broken hearted and saves those who are crushed in spirit. I encourage you to seek for his help and with the love of those around you, get through this difficult time.i will include you in my prayers

  20. Hassan Reza says:

    Dr. Perrizo was my professor when I came to NDSU. He was a trye role model in teaching, reseach, and serivce. Very modest and humble prof who treated students with ultimate respect and dignity. He will be missed!

  21. Yi Zhang says:

    Dear Ann,

    I am sorry for your lose. Dr. Perrizo is a real gentleman and a great mentor. He will be always remembered by his students.

Leave a Reply

Your email address will not be published. Required fields are marked *