C1126, annotated “flag reversed”, is given for 1832, followed by C277 in 1836, C1126 again in 1840 and apparently C277 afterwards.
Cyrus operated from Nantucket in 1821–1845, when condemned. Named owners include Paul West, ? Pinkha, Henry D. ? and George Myrick, the last in 1832, 1836 and 1845. George Myrick Jr. acted as agent during 1836–1845.
Keep the explicit scope label independent; no alias or company identity is inferred.