1.  Marriage Record:

2a.  Texas Birth Index, 1903-1997.  Texas Department of State Health, Bureau of Vital Statistics (online at Ancestry.com):

Name	County	Date	Sex	Mother	Father	Roll Number | Page
Stroup, Betty Ann	101 [Harris]	Jan 07 [1932]	F	Harper, Mary Margaret	Stroup, Park Williard	1932_0007 | p. 1753
Stroup, Richard Willard	101 [Harris]	Mar 26 [1934]	M	Harper, Margaret Louise	Stroup, Park Willard	1934_0007 | p. 1868

2b.  Harris Co. TX — Births, 1934 (online at the Harris County TXGenWeb site):

Name	Birthdate	Sex	Mother	Father	County
Stroup, Richard Willard	3-26-1934	M	Margaret Louise Harper	Park Willard Stroup	Harris

3.  1910 Census Every-Name-Index/Images (online at Ancestry.com):  can't find Park (or three of his siblings); his parents are living in Marietta, OH.

4.  1920 Census Every-Name-Index/Images (online at Ancestry.com):  Park STROUP (æ 19, b. PA) is living in Texas City, Galveston Co., TX, with his parents (q.v.).

5.  1930 Census Every-Name-Index/Images (online at Ancestry.com, Image #58 of 60):  906 Trujillo Main, Houston City, Justice Pct. #1, Harris Co., TX, Roll 2348 (Book 2), p. 29A, SN 29A, ED 101-91, SD 26, enumerated 14 Apr 1930, official enumeration date 1 Apr 1930 (extracted by Diana Gale Matthiesen):¤•

1930:  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	7	8	10	11	12	13	14	15	16	17	18	19	20	24	25	26	27	28	30
*	906		348B	Stroup P W	Head	R	400	N	M	W	30	M	28	N	Y	PA	PA	Ire	Y	Clerk	Cotton Co	W	Y	N
				______ Margaret	Wife				F	W	30	M	28	N	Y	WI	PA	PA	Y	Opperator	C???	W	Y
*Truhillo? Main

6.  Texas Death Records, 1964-1998 (online at RootsWeb.com):

Last Name	First Name	Middle	Suffix	Date	County	Sex	Marriage Status
Stroup	Park	W		11-17-1970	Harris	M	Single
Stroup	Margaret	L		01-07-1975	Harris	F

Did Park and Margaret divorce?  This Margaret STROUP may be our subject's wife.

7.  SSDI:  Social Security Death Index (online at RootsWeb.com):

Name	Birth	Death	Last Residence	Last Benefit	SSN	Issued	Post-em
Park Stroup	03 Apr 1900	Nov 1970	77023 (Houston, Harris, TX)	(none specified)	460-03-7685	TX	No
Margaret STROUP	18 Dec 1902	Jan 1975	77017 (Houston, Harris, TX)	(none specified)	459-17-5370	TX	No

This Margaret STROUP may be our subject's wife.

8.  World War I Selective Service System Draft Registration Cards, 1917-1918.  Microfilm Series M1509 (4277 rolls), National Archives and Records Administration, Washington, DC (card images and index online at Ancestry.com):

Roll | Serial No. | Order No:	1953398 | 588 | A157
Name:	Park Willard Stroup
Permanent Home Address:	Texas City, Gal., Texas
Age in Years | Date of Birth:	18 | April 13, 1900
Race:	White
U.S. Citizen:	Native Born
Present Occupation:	Barrel house helper
Employer's Name:	Pierce Oil Corporation
Place of Employment:	Texas City, Texas
Nearest Relative: Name:	Mrs Anna Stroup
Nearest Relative: Address:	Box 64, Texas City Gal., Tex
Signature:	Park Stroup
Height (tall, medium, short):	Medium
Build (slender, medium, stout):	Medium
Color of Eyes | Color of Hair:	brown | dark
Physically Disabled:
Date of Registration:	Sep 12 1918
Draft Board:	Local Board, Galveston County, Texas City, Texas

Anna would be Park's widowed mother.

9.  Email from descendant.