Occupation in 1930 Census was Manager at Standard Oil
Address was 117 44th St. East, Savannah, Georgia
Occupation in 1920 Census was Manager, Oil Company, address 918 E. Duffy St., Savannah, Georgia
1910 Census states that Thomas M and his mother and father were born in PA, he was working for Standard Oil. Don’t know if PA is correct as it conflicts with user “hoynest” tree.

Groom's Name: Thomas M. Hoynes
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Bride's Name: Maria E. Boriss
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Marriage Date: 08 Feb 1893
Marriage Place: , Chatham, Georgia
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Indexing Project (Batch) Number: M71240-7
System Origin: Georgia-ODM
Source Film Number: 183865
Reference Number:
Collection: Georgia Marriages, 1808-1967

From Wikipedia: http://en.wikipedia.org/wiki/Hunter_Army_Airfield
Savannah Municipal Airport formerly Hunter Army Airfield
The airport became a part of Eastern Air Transport Incorporated air route on 2 December 1931, when Ida Hoynes, daughter of the Mayor, Thomas M. Hoynes, broke a bottle of Savannah River water on a propeller blade of an 18-passenger Curtiss Condor II during the christening ceremony.

Indiana Evening Gazette, Dec 24, 1932
HOOVER GOES TO SAVANNAH
“ ... The president’s special train pulled into Savannah at 830 and the executive lost no time in getting aboard the Sequoia. A crowd of several hundred greeted him at the station and limousines whisked the party to the Savannah river docks immediately. Mayor Thomas W. Hoynes extended the official welcome of the city, heading an official party. ...”