She sailed on annual voyages to Greenland as a whaler until she was lost in July 1823.
Cyrus first entered Lloyd's Register (LR) in 1816.
[1] The following data is from Coltish:[2] Cyrus was reported to have one fish and four tons on 8 June.
On 8 November 1823 Perseverance, Simpson, master, arrived at Peterhead.
She reported that two Hull whalers had been lost, Cyrus, Welburn, master, and Neptune, Munro, master.