I remembered the name as being that of the lawyer to whom Mrs. Inglethorp had written the night before. 
The lawyer that Mrs. Inglethorp was contacting with was Attorney Lance Dawson. 
mnli hypothesis: The lawyer that Mrs. Inglethorp was contacting with was Attorney Lance Dawson.  premise: I remembered the name as being that of the lawyer to whom Mrs. Inglethorp had written the night before. 