
09/05/2025
HAVERHILL - Myles Costello, Jr., 91, of Haverhill and North Andover, MA, passed away peacefully on September 2ndat Haverhill Crossings surrounded by his loving family.
Born on May 8, 1934, in Haverhill, Myles was the son of the late Myles and Nathalie Costello. He grew up in Haverhill and graduated from St. James High School, Class of 1952. After serving proudly in the U.S. Army, he continued his education at Bentley University and Suffolk University, earning a Bachelor of Science in Business Administration and becoming a Certified Public Accountant.
Myles began his career as an Internal Revenue Agent for the U.S. Treasury Department, where he served for many years and was admired for his professionalism, integrity, and dedication. Following his retirement in 1990, he established his own CPA practice, where he was known for his sharp knowledge, quick humor, and the genuine care he showed to the many clients he helped over the years.
Outside of his work, Myles had a lifelong passion for golf. As a teenager, he spent countless hours at Haverhill Country Club, where he was well known as a caddy, and he carried that love of the game throughout his life, participating in many leagues and enjoying time on the course. Above all, he cherished his family, especially the time he spent with his grandchildren, and will be remembered for his humor, warmth, and ability to light up any gathering.
Myles is survived by his children: Myles T. Costello and his life partner Kathy Jay of Haverhill; James Costello and his wife Ingris of Andover, MA; and Judith Cronin and her husband Tim of West Newbury, MA. He leaves behind seven beloved grandchildren—Elizabeth (Cronin), Wormley, John and Jeremiah Cronin, Myles S.and Thomas Costello, Santiago and James Costello—and four great-grandchildren, Lyla Cronin, Mary Catherine Costello, Conor Wormley and Xavier Breault. He is also survived by his sister, Judith Costello of West Roxbury, along with many other relatives and friends who loved him dearly.
He was predeceased by his beloved wife of 61 years, Carol (Lane) Costello; his brothers, Thomas and Gerald Costello; and his granddaughter, Mary Catherine Costello.
ARRANGEMENTS: Family and friends are warmly invited to attend and celebrate Myles’s life on Monday, September 8th from 8:30AM until 9:30 AM at the Kevin B. Comeau Funeral Home, 486 Main Street, Haverhill. A Mass of Christian Burial will be celebrated at 10:00AM at St. Michaels Parish, North Andover. Burial will follow at St Mary’s Immaculate Conception Cemetery, Lawrence. In lieu of flowers, memorial donations may be made to a charity of one’s choice. Please visit www.comeaufuneral.com or Comeau Funeral Home on Facebook.