Age 82, of DeWitt, passed away December 29, 2012.  He was born September 22, 1930, in Ironton, WI, to Fred and Jessie Costerisan.  Floyd grew up on the farm in Wisconsin.  After graduating from college in 1953, he worked for many years as a CPA, and retired from Maner Costerisan P.C. in 1991.  Then, he worked as a trust officer for the Michigan Conference of Seventh-day Adventists for 19 years.  Floyd was a generous and caring man, and was involved in many church and community service projects.  In his spare time, he enjoyed golf, hunting and fishing.

Surviving are:  his wife of 62 years, Bonnie (Stover); daughter, Marcia (Robert) Mohr of Cadillac; son, Timothy Costerisan of Lansing; grandchildren, Caleb and Elijah Costerisan and Jessica Clare; brother, Francis Costerisan; sisters, Jessie Schrader and Carol Sherman, as well as many cousins, nieces and nephews.  He was preceded in death by his parents; several siblings; sons, Philip and Jeffrey; and grandson, Josiah.

A memorial service will be held at 2:00 p.m. Sunday, January 6, 2013, at the Lansing Seventh-day Adventist Church, 5400 W. St. Joseph Hwy., Lansing.  The family will receive friends at the church one hour prior to the memorial service, as well as following the service.  In lieu of flowers, memorial contributions may be made to the Greater Lansing Adventist School in memory of Floyd Costerisan.  Online condolences may be made at

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9 Messages to “Floyd L. Costerisan”

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  1. 9
    Jodi Blackerby Says:

    Bonnie, Marcia, Robert, Tim and kids: My deepest sympathy and prayers go to you guys. Your husband, dad, father-in-law, grandfather always had such a calming gentle presence that I felt when he was around. Often made me wonder what he was thinking as he would just observe. (Also, reminded me of how Jeff was…usually only speaking if he felt he had something pertinent to say OR if he thought we would listen!!) This summer I was so blessed to be able to see you, Bonnie, and Floyd two times; I will treasure those times along with all the other years of “times” that we have had. I’m no judge but I have no doubt that I will see him again when Jesus returns. Something tells me the sparkle he often had in his eyes will be even brighter. Much love to all of you!

  2. 8
    Susana Kordysz Says:

    Thinking of you Marcia. Our thoughts and prayers are with you and your family.

  3. 7
    Gwen Kossick Says:

    Very saddened to hear of the family’s loss. We are praying for you Marcia…..thank GOD for our family reunion! He has made it all possible!

  4. 6
    Kevin Kossick Says:

    Floyd knows the “Father”. Can’t wait to give him a hug when the Lord comes again.

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