1910 CENSUS - LEDYARD, NEW LONDON CO., CONN., 28 Apr 1910, page 12A,Dwelling #3, Family #3.
MAIN, Calvin R., head, W, M, 38, M1, 10, CT, CT, CT, English, Farmer,General Farm, Emp., no, 0, yes, yes. Owns a Financed Farm, 2.
MAIN, Gertrude, wife, W, F, 33, M1, 10, 4children, 4 living, NY, Ireland,Ireland, English, none, yes, yes.
MAIN, Kenneth, son, W, M, 9, S, CT, CT, CT, English, none, yes, yes, yes.
MAIN, Calvin, Jr, son, W, M, 6, S, Ohio, CT, CT, English, none, yes, yes,
MAIN, Carrie, daughter, W, F, 4, S, CT. CT. CT. English, none, yes, no.
MAIN, Winston, son, W, M, 1, S, CT. CT. CT, English, none, no, no.

1920 CENSUS - LEDYARD, NEW LONDON CO., CONN. 10 Jan 1920, by Samuel E.Holdridge, page 220A, Dwelling #156, Family #172.
MAIN, Calvin R., head, Owns, Farm, M, W, 47, M, yes read, yes write, CT,CT, CT, yes, Farmer, General Farmer, O.A., 77.
MAIN, Gertrude K., wife, F, W, 42, M, yes read, yes write, NY, Ireland,Ireland, yes, none.
MAIN, Kennith W., son, M, W, 19, S, yes school, yes read, yes write, CT,CT, NY, yes, none.
MAIN, Calvin R., son, M, W, 16, S, yes school, yes read, yes write, Ohio,CT, NY, yes, none.
MAIN, Carrie E., daughter, F, W, 14, S, yes school, yes read, yes write,CT, CT, NY, yes, none.
MAIN, R. Wilston, son, M, W, 11, S, yes school, yes read, yes write, CT,CT, NY, yes, none.

1. 2. Kenneth W. MAIN  
2. 3. Calvin Rawson MAIN, Jr.  
3. 4. Carrie E. MAIN  
4. 5. R. Winston MAIN