Gerald K. Cassidy, who retired in 1988 as chief executive of Early, Cassidy and Schilling insurance company in Rockville, died Sept. 8 at Suburban Hospital in Bethesda. He was 89.

The cause was complications from a broken hip, said his daughter Megan Barber.

Mr. Cassidy spent nearly 20 years rising within his father-in-law’s firm, Ellett and Short. In 1971, the company merged with Henry C. Young Inc. to form Early, Cassidy and Schilling, which was initially based in the District.

Gerald Keeling Cassidy was born in Atlanta and raised in the District, where he was a 1941 graduate of Gonzaga College High School. He was a 1944graduate of the College of the Holy Cross in Worcester, Mass.

He was a past chairman of what is now the Council of Insurance Agents and Brokers and a past president of what is now the Metropolitan Washington Association of Independent Insurance Agents.

He was also a past president of the Kiwanis Club of Washington and the Washington area chapter of the Society of the Friendly Sons of St. Patrick, an Irish heritage group. He was a past member of the Catholic Church of the Little Flower in Bethesda and Columbia Country Club in Chevy Chase.

He moved to Easton from Bethesda in retirement and for the past 18 months had lived with a son in Rockville.

His wife, Jane Short Cassidy, whom he married in 1944, died in 2010. Their son Patrick Cassidy died in 2001.

Survivors include eight children, Dennis Cassidy and Andrew Cassidy, both of Rockville, Kathleen McGarry of Easton, C. Cassidy Haus of Allison Park, Pa., Mari McCord and Megan Barber, both of Colorado Springs, Brendan Cassidy of Gaithersburg and Kenny Cassidy of Silver Spring; a brother, Alan Cassidy of Easton; two sisters, Janet Casey of Rockville and Betty Gilday of Kensington; 26 grandchildren; and 12 great-grandchildren.

— Adam Bernstein