1.  LDS.  Family Search: Internet Genealogy Service:  IGI - International Genealogical Index (online at FamilySearch.org).

Edward Arnold RASEY Birth: 27 Feb 1811, Vermont Death:  1877 Marriage: 13 Dec 1846, Machias, Cattaraugus, New York Spouse: Mary Lucy LAMB Birth: 31 Mar 1828, Stockbridge, Oneida, New York Death: 22 Oct 1894 Father: Rensselaer LAMB; Mother: Mary Ann HOWARD Source: patron submission

Norval Adelbert RASEY; Birth: 10 Jun 1850, Mansfield Twp, Cattaraugus, New York Francis Rensselaer RASEY; Birth: 17 Oct 1851, Mansfield Twp, Cattaraugus, New York Mary Anna RASEY; Birth: 13 Oct 1853, Mansfield Twp or Randolph, Cattaraugus, New York Edward Arnold RASEY; Birth: 13 Jul 1855, Mansfield Twp, Cattaraugus, New York Rossalyndia B. RASEY; Birth: 14 Apr 1857, Mansfield Twp, Cattaraugus, New York Archibald Aaron RASEY; Birth: 27 Mar 1859, Mansfield Twp, Cattaraugus, New York Dora Abbie RASEY; Birth: 01 Jul 1860/61, Great Valley Twp, Cattaraugus, New York Father: Edward Arnold RASEY; Mother: Mary Lucy LAMB Source: patron submission

2.  1840 Census Index/Images (online at Ancestry.com, Image #5-6 of 8; extracted by Diana Gale Matthiesen):¤•

1840

NY

Cattaraugus Co.

Town of Mansfield

Roll 267

pp. 140B-141A

Ln. 1

Edward Rasey

004 040 - 000 210 010

0400000

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
4 males	10-14	1825-1830	= James F. (b. 1826/7)
4 males	20-29	1810-1820	= Almadorus (b. 1815/6) = Edward (b. 1811/2)
2 females	15-19	1820-1825	= Olive (b. 1824/5) = Anna (b. 1821)
1 female	20-29	1810-1820	= Nancy (b. 1816/7)
1 female	50-59	1780-1790	= Anna (b. 1785/6)
4	persons employed in agriculture

This is widow Anna (FISH) RASEY and her children, with her eldest son (unmarried) as head of household.  Listed three lines above Nathaniel FISH (æ 50-60), whose of an age to be her brother.

3.  1850 Census Every-Name-Index/Images (online at Ancestry.com; Image #1 of 27):  Town of Mansfield, Cattaraugus Co., NY, Roll M432_480, p. 296A, enumeated 24 Aug 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):¤•

1	2	3	4	5	6	7	8	9	10	11	12	13
67	69	Edward Rasey	38	M	W	Farmer	6833	Vt
		Lucy M   "	22	F	W			NY
		Annette Reed	16	F	W			"
	70	Almadorus Rasey	34	M	W	"	6833	Vt
		Anna        "	64	F	W			"
		James F     "	23	M	W	"		NY
		Reuben Harper	18	M	W	"		"

Anna (FISH) RASEY is Edward's widowed mother; Almadorus and James are Edward's siblings.  I don't know how Annette REED and Reuben HARPER fit in.

4.  1860 Census Every-Name-Index/Images (online at Ancestry.com, Image #1 of 32):  Mansfield P.O., Mansfield, Cattaraugus Co., NY, Roll M653_725, p. 413, PN 205, 1624/1586, enumerated 21 Aug 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

Edward Razey	48	M		Farmer	2400	700	Vermont
Mary L    "	32	F		Housewife			New York
Adelbert  "	10	M					"
F R       "	8	M					"
Mary Ann  "	6	F					"
Edward A  "	4	M					"
Rosalinda  "	3	F					"
Archibald A "	1	M					"
Jane King	17	F		Servant			"

5.  1870 Census Every-Name-Index/Images (online at Ancestry.com, Image #91 of 102 — indexed "Rosey"):  Carthage P.O., Marion Twp., Jasper Co., MO, Roll M593_783, p. 95A, PN 85, 659/655, enumerated 19 Aug 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

Rasey Edward	55	M	W	Farmer	1400	300	Vermont
_____ Mary L	42	F	W	Keeping House			New York
_____ Alln--- N/W	20	M	W	Works on Farm			New York
_____ Frank R	18	M	W	Works on Farm			New York
_____ Mary A	16	F	W	School			New York
_____ Edward A	14	M	W	"			New York
_____ Rosa B	13	F	W	"			New York
_____ Archie A	11	M	W	"			New York
_____ Dora A	9	M	W				New York

6.  1880 Census Every-Name-Index/Images (online at Ancestry.com):  Edward is deceased; Mary should be living, but I can't find her.

7.  WorldConnect / Ancestry World Trees (online at RootsWeb.com/Ancestry.com).