Statistics for occurrence #1 of “Rec” in chapter 3, page 5 of Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register:

... Rec
to Cambridge, March 6, 1802; the estate of William Hunnewell, Feb. 12, 1818; and a portion of Professor Ware's estate, now the No...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Charles Rec 222 192 0 0 0 user votes
Rec 28 0 0 0 0 user votes
Albany Rec 2 0 0 0 0 user votes
Edward Rec 2 0 0 0 0 user votes
Frederick Rec 2 0 0 0 0 user votes
Lexington Rec 2 0 0 0 0 user votes
Medford Rec 2 0 0 0 0 user votes
R. I. Rec 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.