Ilse C. Nisius Foster

Ilse C. Nisius Foster

NEWTOWN — Ilse C. Nisius Foster, 97 years young, passed away on July 11, 2021, at her home, with her loving daughters by her side.

Ilse was born in Ridgewood, Queens, N.Y., to the late Karl and Katherine Nisius. She earned her associate’s degree in library sciences in her 40s and worked for the Monroe School System for 35 years, retiring at age 75.

She will be remembered for her love of life, family, travel and roller coasters.

She was predeceased by her loving husband of 52 years, Robert A. Foster, and her daughter, Ilse K. Geslien.

She is survived by two daughters, Louisa M. Foster of Southbury and Elizabeth L. Schultz of Monroe; five grandchildren, Brian (Kristen) Espitee, Jennell (Dave) Espitee, Jason and Hunter (Stacy) Geslien and Hans Geslien-Alonzo (Tony); seven great-grandchildren, Katrina, Zachary, Hunter, Joshua and Kayla Geslien, and Erin Rose and Shannon Grace Espitee, in addition to many nieces and nephews.

Her love of travel took her to many European countries, Iceland, Egypt and all over the United States and Canada. 

She was a Brownie and Girl Scout troop leader and a girls’ softball coach. 

She was active member of the American Legion Sippin-Winspur Post 176 for 63 years, and a member of the Newtown Congregational Church for 65 years, serving as a deacon, choir member, bell choir member and working monthly at the Dorothy Day Soup Kitchen and at the church Cornerstone thrift shop.

In 2003 she began working with the church youth group at yearly work camps and after Katrina, volunteered yearly at the Back-Bay mission in Biloxi, Miss., rebuilding homes, until two years ago.

Ilse almost completed her bucket list this past April by taking a helicopter ride for her birthday. She will be dearly missed by her family, friends and the countless number whose lives she touched.

At Ilse’s request, there will be no calling hours. 

A Memorial Service took place Saturday, July 17, at the Newtown Congregational Church, 14 West St.

In lieu of flowers, donations may be made in her memory to the American Legion Sippin-Winspur Post 176, 48 Crestwood Rd., Monroe 06468 or the Back-Bay Mission, 1012 Division St., Biloxi, Miss. 39530.

To sign her online guest register, visit

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