1.  Marriage Record:

2.  1820

3.  1830

4.  1840

5.  1850 Census Index/Images (online at Ancestry.com; Image #590 of 810):  Danby, Rutland Co., VT, p. 300A, 56/57, enumerated 1 Aug 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):

Ezra Harrington	57	M		Farmer	3000	Vt.
Betsey     "	50	F				R.I.
Kaziah     "	27	F				Vt.
Elizabeth  "	25	F				"
Simon      "	19	M		Farmer		"
Meranda?   "	17	F				"
Lemuel     "	15	M				"
Henriiett? "	12	F				"
Harvey     "	9	M				"
Lydiaie?   "	8	F				"
Betsey Woodruff	7	F				"
Harvy?     "	2	M				"
Joel       "	29	M		Farmer		"

6.  1860

7.  J.C. Williams.  1869.  The History and Map of Danby, Vermont.  McLean & Robbins, Rutland, VT (online at GenealogyLibrary.com):

p. 159

HARRINGTON, EZRA, m. Betsey, da. of Simon Milliard, and settled on the homestead for a few years.  He subsequently settled on the Seley farm, where he still lives.  Although quiet and unassuming in his deportment, he is highly respected by all who know him.  He is a man of sterling integrity, and has ever maintained the character of a good citizen.  By hard labor and economy he has acquired considerable property.  His wife died in 1864, aged 64.  She was an active, energetic, industrious woman, and possessed a character well worthy of imitation.  Their children are Keziah, Elizabeth, Simon, Miranda, Henriette, Lemuel, Lydia and Harvey.  Elizabeth m. Joel Woodruff, and lives in Otto, N.Y.  He was a soldier during the late rebellion, and died in Hospital.  Simon m. Filena, da. of Stephen Baker, and settled at Scottsville, where he has carried on the mercantile business for several years.  He has but two children: Daniel and Elizabeth.  Lemuel m. Betsey, da. of H. B. Harrington, and lives near his father, on the Darius Lobdel farm.  Lydia d. at the age of 19.