Doane Beal & Ames


Frederick John Siepietowski

March 13, 1937January 11, 2021

Frederick John Siepietowski "Jack", 84, of Dennisport, MA died Monday, January 11, 2021 at Cape Cod Hospital. He lived in Washington, DC and Sudbury, MA before his retirement to the Cape.

Jack was born and raised in Worcester, MA. Living in Washington, DC, he was a graduate of Georgetown University and shortly after joined the U.S. Marine Corps.

While living in Washington, DC, Jack married Josette Wedrak, whom he loved and cherished. Jack was a congressional liaison officer for the U.S. Department of Interior for 35 years and before he retired, was the administrator of the Minuteman National Park in Concord, MA.

Jack is predeceased by his parents Frederick and Pearl (Martin) Siepietowski. He is survived by his loving wife of 55 years Josette L. (Wedrak) Siepietowski; his son Christopher Siepietowski of Sandwich, MA and his sister Dr. Cheryl Crecelius of East Douglas, MA.

With STRICT adherence to COVID-19 health precautions and social distancing rules, a Funeral Mass will be celebrated 11:30 a.m. Saturday, January 16th at Holy Trinity Church, 246 Main St. (Route 28), W.Harwich, MA 02671. Burial will follow at St. Patrick’s Cemetery in Whitinsville, MA.

To share a memory or for online condolences visit


  • Funeral Mass

    Saturday, January 16, 2021

  • Burial

    Saturday, January 16, 2021

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