Mary Louise Ostrosky, 92, formerly of New Kensington, passed away peacefully on Wednesday, June 4, 2025, at her home in Lake Worth Beach, Florida.

She was born in New Kensington on June 3, 1933 to the late Bruno & Louise Rivi Regoli.

Mary Louise was the owner of Don’s House of Sirloin in New Kensington for 40 years, was a Registered Nurse, a well known artist and a Fourth Degree Blackbelt.

Surviving are her daughters, Donna Ostrosky Burchieri and Ann Ostrosky Mathews; and three brothers, Bruno Regoli Jr., and Frank Regoli and Nicholas Regoli.

Besides her parents, she was preceded in death by her husband, Donald Ostrosky; and three brothers, Joseph Regoli, Dr. Robert Regoli and Fr. John Regoli. 

Visitation at Mt. St. Peter Roman Catholic Church, 100 Freeport Road, New Kensington, on Friday, June 20 from 10:30 AM until funeral Mass at 11:00 AM.  Private entombment in Greenwood Memorial Park Mausoleum, Lower Burrell.