1.  Marriage Record:

2.  1860 Census Every-Name-Index/Images (online at Ancestry.com):  can't find.

3.  1870 Census Every-Name-Index/Images (online at Ancestry.com, Image #71 of 663 — indexed "Stant"):  Williamsburgh P.O., City of Brooklyn (Ward 16), Kings Co., NY, Roll 957, p. 529A, PN 71, 248/627, enumerated 22 Jun 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

Straub Peter	39	M	W	Booker CH?		500	Hesse
______ Elisa	31	F	W	Keeping house			Burless?
______ Peter	7	M	W				NY

4.  1880 Census Every-Name-Index/Images (online at Ancestry.com, Image #7 of 52):  72 Graham Avenue, Brooklyn, Kings Co., NY, Roll T9-0850 (Book 1), p. 379C, PN 7, SD 2, ED 152, enumerated 2 Jun 1880, official enumeration date 1 Jun 1880 (extracted by Diana Gale Matthiesen):¤•

1880:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).
		1	2	3	4	5	6	8	9	11	13	24	25	26
*	72	20	1	Elisabeth Straub	W	F	40	widow		/	Dressmaker	Germany	Ger	Ger
				Peter J Straub	W	M	17	son	/		Printer	Brooklyn	Ger	Ger
*Graham Avenue

5.  1890 Census:  the 1890 Census Population Schedules were destroyed.

6.  1900 Census Every-Name-Index/Images (online at Ancestry.com):  not found, at least not that I could tell.  Son is in Denver, CO.