The Life and Times of the SS Shark
By David Carroll

When the trawler Shark was built in 1891 by the Great Grimsby Co-operative Box and Fish Carrying Company Ltd., few could have imagined that the vessel would go on to enjoy such a long, varied and, at times, historic career.

An iron-hulled screw steamer, Shark measured 103 feet in length, with a beam of 20.7 feet and a depth of 10.7 feet. She was powered by a three-cylinder, 45-horsepower steam engine and was registered under the Official Number 98294.

The trawler was built for the Steam Trawling Company of Boston Ltd., whose manager was Mr William Beaumont. Boston, a market town in Lincolnshire, stands on the River Witham, approximately five miles inland from the coast at The Wash, the broad bay lying between Lincolnshire and Norfolk.

In earlier centuries, emigrants from the district carried the name of Boston to settlements in other parts of the world. The best known of these is Boston, Massachusetts, founded by English colonists and destined to become one of the principal cities of the United States.

In 1897, ownership of Shark passed to the Boston Deep Sea Fishing and Ice Company Ltd. The vessel remained connected with the port until 1912, when she was purchased by Frederick Palmer of Boston.

Frederick Palmer came from humble beginnings, but through diligence and perseverance improved his position and became an engine driver with the Great Northern Railway. He was already in his forties when he established a shipping business, turning a lifelong fascination with steam vessels into a practical enterprise.

Working with his son, Frederick Junior, he gradually built up a varied fleet of vessels. These operated as tenders to transatlantic liners, took part in salvage work and were also employed in the coastal trade.

During the summer of 1888, one of Palmer’s tugs, the Mayflower, was engaged on contract work at Southampton. She was subsequently sent to Cork Harbour, where she carried out garrison duties, serving the military forts and other establishments situated around the harbour.

Frederick Palmer Junior accompanied the Mayflower to Cork. For a time, he lived on Spike Island before moving to Ringaskiddy, where he later established a shipyard. With most transatlantic liners calling at Queenstown, as Cobh was then known, the Palmer business prospered.

Further contracts were secured from the War Office and the Admiralty. These included towing coal and water barges to naval vessels, as well as towing targets used during gunnery exercises. Palmer also obtained a contract to service the lightships stationed along the south-east coast of Ireland.

In due course, Frederick’s three sons joined the family business. In 1913, the trawler Shark, purchased at Boston, arrived to take up station. She was regarded as a useful and versatile vessel, capable of undertaking a wide range of duties, including towing, salvage work and the recovery of lost anchors.

Cobh was the home of the famous salvage firm of Thomas Ensor & Son. Ensor conducted a number of notable operations with their own fleet of vessels but frequently chartered Shark as well.

During the Irish Civil War, the Shark appears to have been requisitioned by the National Forces. This is indicated by a file preserved in the Military Archives at Cathal Brugha Barracks, Dublin, which was examined by the writer. The file concerns a claim for compensation submitted by Messrs R. S. Palmer Bros. of Ringaskiddy.

Records show that the Shark was employed by Thomas Ensor & Son on the River Clyde during 1923 and 1924. At the time, the company was engaged in salvage operations following a collision between the Pacific liner Metagama and the inward-bound steamer Baron Vernon.

The lengthy and difficult task of raising the Baron Vernon placed the salvage company heavily in debt. This financial burden, together with the death of Thomas Ensor’s son Henry, eventually led to the closure of the business.

The year 1926 was to prove another eventful one in the long career of the SS Shark. On Tuesday, 12 January, the SS Valdura, a steel screw steamer carrying a cargo of maize from Baltimore in the United States to Liverpool, ran headlong onto rocks west of Kilmore Quay, at a place appropriately known as Forlorn Point.

The Cork Examiner reported that the SS Shark, accompanied by the more powerful tug SS Morsecock, was dispatched from Cobh to assist with the refloating operation. It was not until the middle of March, after much of the cargo had been discharged, that the Valdura was finally freed and made her way to Waterford Harbour for inspection.

A fuller account of the incident may be read here:

https://tidesandtales.ie/ss-valdura-a-lucky-escape/

In August 1926, three motor fishing boats were making the passage from Porthleven in Cornwall to Galway, where they were to assist in the development of the Connemara fisheries. The Irish Independent reported on 12 August that the vessels encountered difficulty while attempting to enter Cork Harbour. They remained outside until the following morning, when the tug SS Shark assisted them safely into harbour.

At the outbreak of the Second World War in September 1939—known in Ireland as “The Emergency”—the Irish Government established the Marine and Coastwatching Service. In 1942, this organisation was renamed the Marine Service. The former Royal Navy base at Haulbowline, in Cork Harbour, was reopened in 1940 to serve as the headquarters of the new service.

In October of that year, the Government purchased the Shark from the Palmer family and commissioned her as a “mine planter”. She was placed under the command of Lieutenant Desmond Carroll, my father, and it was this family connection that first prompted my interest in the history of the vessel.

In his book The Sea Hound, Daire Brunicardi describes the acquisition of the Shark as the first positive step in Ireland’s policy of laying defensive minefields at the country’s principal ports. Earlier discussions with the British Admiralty had sought the use of the minelayer HMS Plover to lay mines in Irish waters, but these negotiations came to nothing. A separate request for the supply of mines was equally unsuccessful.

The mines were therefore manufactured in Ireland by Thompsons of Carlow and were subsequently filled by the Ordnance Corps. Mine warfare was to occupy a considerable amount of the Marine Service’s time and resources during the following five years.

The Irish-made mines laid at Cork and Waterford were described as simple observation mines. Rather than being triggered automatically by contact with a ship, they were intended to be detonated manually by observers stationed ashore. They were not entirely satisfactory, however, and some broke free from their moorings and became drifting hazards. 

In January 2026, I visited the Military Archives at Cathal Brugha Barracks in Dublin to examine the surviving logbooks of the mine planter SS Shark for the years 1944 to 1946. They provide a fascinating record of the vessel’s daily activities and offer a valuable insight into the work of the Marine Service during the Emergency.

Unfortunately, the logbooks for 1941 do not appear to have survived. This was the year in which the Shark laid defensive minefields at the approaches to Cork Harbour and across Waterford Harbour, between Ballyhack in County Wexford and Passage East in County Waterford. Their absence is particularly regrettable, as they would undoubtedly have contained a detailed account of one of the most important assignments undertaken by the vessel.

Although remembered chiefly as the Marine Service’s mine planter, research based on Military Archives files indicates that the Shark spent much of her later government career serving as a Marine Service stores ship. 

On 9 September 1952, the SS Shark arrived at Passage West, County Cork, where she was to be broken up by Haulbowline Industries Ltd. The event does not appear to have attracted the attention of the newspapers of the day, and the passing of this long-serving vessel went largely unrecorded.

It was a quiet and rather melancholy end for a ship that had rendered useful service over many years and had played a proud part in safeguarding Ireland’s neutrality during the dark and uncertain days of the Emergency, from 1939 to 1946.

After the Shark was disposed of in 1952, money was made available to acquire a combined stores and training vessel in 1953. The proposal was abandoned on economic grounds after disagreement over the size of the replacement. Remarkably, the naval history describes the acquisition of LÉ Setanta in 1976 as the long-awaited replacement for the Shark—almost a quarter of a century after she had been broken up. 

Many thanks to Noelle Grothier, Duty Archivist, Military Archives for her assistance and to Brian Cleare for providing information on the Palmers of Boston and Ringaskiddy.

David Carroll January 2026