‹ Return to Current Obituaries
Send FlowersHand delivered by a local florist
Send a Sympathy Card
Plant Memorial Trees
Send a Sympathy Gift


Good Shepherd UCC
Friday August 20th, 2021
1:00pm - 3:00pm

View Details

Memorial Service

Good Shepherd UCC
Friday August 20th, 2021

View Details

Order Flowers now for guaranteed delivery before Amanda's visitation.

Amanda Trelease

Amanda M. “Mandi” Trelease, 42, of Slatington passed away unexpectedly Sunday, August 15, 2021, in her home.   She was the wife of Denis M. Trelease, whom she married on September 18, 2004.  Born in Allentown on April 15, 1979, she was the daughter of Carol A. (Humanick) Oswald of Slatington, and the late Barry D. Oswald.  Mandi was a graduate of Northern Lehigh High School, Class of 1997.    Mandi was a dedicated homemaker, taking care of her family, making sure her children always had the best, in addition to currently working as a substitute in various capacities for the Northern Lehigh School District.  Previously, she worked as group home supervisor with Life Path.   She also worked a job coach for CLIU, and for the Trexler Game Preserve / LV Zoo.   Her passion was raising awareness for autism and she volunteered countless hours fundraising for Autism Speaks.  Mandi was instrumental in both, the Slatington 150 Celebration and in the recent construction and dedication of the new Angelo Scarselletti Amphitheater at Victory Park.
In addition to her husband Denis and mother Carol, Mandi is survived by a son: Andrew Trelease; daughter: Anna Trelease; brother: Aaron Oswald and wife Christie of Slatington; Nephews & niece: Elijah, Ayden, Caleb & Isabella; Maternal grandmother: Betty Humanick; Paternal Grandparents: Theodore and Mildred Oswald; In-laws: Kevin and Barbara Trelease; brother-in-law: Scott Trelease and wife Yvette and their family.
A memorial service will be held at 3:00PM on Friday, August 20, 2021, at Good Shepherd UCC, 3940 Mountain Rd, Slatington.   Family and friends may pay their respects from 1 to 3PM at church.   In lieu of flowers, contributions can be made in Mandi’s name to Autism Society of America – Lehigh Valley Chapter, P.O. Box 3523, Allentown PA 18106

To plant memorial trees or send flowers to the family in memory of Amanda Trelease, please visit our flower store.


To Mandi’s family, Please accept my most sincere sympathy for your loss. I have such great memories of our friendship and the hours upon hours of laughs we shared when we were in school. I will cherish that the most. With love and prayers, Seth Friebolin

Seth Friebolin Aug 19 2021 12:00 AM

Oswald/Trelease families-I’m so sorry to hear of Mandi’s passing. My thoughts are with all of you.

Megan Boughter (Bachman) Aug 18 2021 12:00 AM

We are thinking of Mandi’s family. Denis, we are heartbroken for you and the kids. Linda & Jim (WFHM)

Linda & Jim Daniels Aug 18 2021 12:00 AM

Condolences to the entire  family.

Diane (Heil) Misner Aug 18 2021 12:00 AM

To Mandi’s family and friends—our sympathy and prayers for your family—she was a great help in organizing and helping with the planning of our father’s amphitheater—we are so very sorry for your loss—The Scarselletti Family

Theresa Lobach Aug 18 2021 12:00 AM

So very sorry for your loss, knew her from school subbing and through her Gram Betty, she will be greatly missed!

Janice Rybnikar Wasilkowski Aug 18 2021 12:00 AM

Denis- I am so sorry for your loss. Prayers for you, your kids and your entire family.

Steve DiNizo Aug 17 2021 12:00 AM

To the entire Family,As they say no words can heal your sorrow at this time, just please know that we express our sympathy and our prayers are said for the all of you.

Joe Turk as well as Parents Paul & Dorothy Turk Aug 17 2021 12:00 AM

Carol and family,  So so sorry for your loss of Mandi.  She was a beautiful lady who was loving, generous and thoughtful person.  My heart goes out to your wonderful family.  My thoughts and prayers are with you at this time.  ❤️

Nancy and Don Hirst Aug 17 2021 12:00 AM

My heart is with you, Den, rents and kids!!! I met Mandy when she started dating Denis.  She was a saint and your true love Denis.  I'll attest to that.  Too short a life.  Nancy Kelleher

Nancy Kelleher Aug 17 2021 12:00 AM

Show More Entries