Karyn,
From my database I have the following on Augustus Smith:
Smith, Mr. Augustus. Second Class passenger - Missing. Address - 11, Berwick Street, London, N. UK.
Insurance claim 38. Life: $30,000 filed by A.H.C. Claim 172.
Life: $30,000. Claim filed by parents. (Schmidt).
From: Mansion House Titanic Relief Fund Booklet, March 1913)
Number P. 9. Smith, Agnes, niece 10s 0d. weekly.