Here's something posted in response to your rquest from Loudoun-L:

Per the following court document, this may be Captain R Conway - a mariner

Court Record Data
ContextExtract
Death Abated Aug. 1817 as to William Newton by his death
Defendant William Newton (decd); Augustine Newton (admr.); David Ricketts
(admr.); Newton Keene; Capt. Sanger; Capt. Arnold; Capt. Garner; Capt.
Wheatley; Capt. Smith; Capt. Wahum Warner (aka Wahum Warren); Capt. Theophilus Bowie;
Capt. Aaron Wallace
Flour Sold by Robert Ober to Suydam & Wyckoff of New York
Locality Fredericksburg; DC (Georgetown); Alexandria City; Westmoreland Co.;
Randolph; NY
Plaintiff Leonard H. Johns (assignee); Robert Ober
Ship With flour cargoes - sloop Mary, Capt. R. Conway; schooner Volunteer,
Capt. Hughes
Ship Ships in the Potomac with cargoes of flour - schooner Sally &
Charlotte, Capt. Smith; sloop Unity, Capt. Wheatly; schooner Logan, Capt. Sanger;
schooner Friendship, Capt. Warren; schooner Dash, Capt. A. Wallace; schooner
Sisters, Capt. Theophilus Bowie; schooner Harriett, Capt. Garner
Ship property of Robert Ober - schooner Little Dick, Capt. Williams, lying
at New Bedford; schooner Hazard, Capt. Leonard Smith Jr.
Ship Loaded at Fredericksburg - schooner Mary, Capt. Conway; schooner
Robertsen, Capt. Hughes
Administrative Information
Record titleJohns vs Newton
Year recorded1818
CollectionCR-SC-H
Record ID155-25
End Notes
Preserved byCity of Fredericksburg
Processed byMargaret Anne Crickman
Extracted byBarry L. McGhee
Extracted on9/5/2002