1.  Marriage Record:

2.  1790 Census Index and Digital Images (online at Ancestry.com; Image #5 of 5; extracted by Diana Gale Matthiesen):

1790

PA

Berks Co.

Albany Twp.

p. 274

Ln. 3

Peter Kolb

1-2-2-0-0

These data indicate:

Gender and Type	Age Class	Therefore Born	Individuals Inferred
1 free white male	16 or over	in or bef. 1774	= Peter (b. 1763)
2 free white males	15 or under	1774-1790	= Sebastian (b. 1788) = Son A
2 free white females	all ages	in or bef. 1790	= Mary (b. 1768) = Hannah

Listed one line below John RITTER and one line above Jacob KOLB (1-1-1-0-0).  Related surnames in township:  STUMP, PROBST, FEDEROLF, BRAUCHER, HEINLY, SPENGLER.

3.  Census Index:  U.S. Selected Counties, 1800 (Broderbund CD-312):  not found, at least nowhere obvious.  There was no Federal census in Ohio (it was not yet a state).  Tax lists are substituted on this CD for some Ohio counties, including Ross, but not Pickaway.

4.  Census Index:  U.S. Selected Counties, 1810 (Broderbund CD-313):  the 1810 Ohio census was lost (except for Washington Co.).

5.  1820 Census Index and Digital Images (online at Ancestry.com; Image #2 of 4; extracted by Diana Gale Matthiesen):  not found in Salt Creek Twp., Pickaway Co., OH, and I checked every line, but Colerain Twp., Ross Co., is just adjacent to Salt Creek Twp., Pickaway Co.

1820

OH

Ross Co.

Colerain Twp.

p. 279

Ln. 5

Peter Culp

000101-00001-0-100

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	19-25*	1794-1801	= Conrad?
1 male	45 or over	in or bef. 1775	= Peter (b. 1763)
1 female	45 or over	in or bef. 1775	= Mary (b. 1768)
1	person engaged in agriculture
*In the 1820 Census, the third column is age class 16-18 and the fourth column is age class 16-25; therefore, any individual in column three is duplicated in column four.  By subtracting the number in column three from the number in column four, you can create an age class "19-25."

No other CULPs in county.

6.  1830 Census Index and Digital Images (online at Ancestry.com; Image #11 of 24; extracted by Diana Gale Matthiesen):

1830

OH

Pickaway Co.

Salt Creek Twp.

p. 7

Ln. 13

Peter Culp

000 000 001 - 000 000 001

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	60-69	1760-1770	= Peter (b. 1763)
1 female	60-69	1760-1770	= Mary (b. 1768)

Listed seven lines above son, Peter CULP (Jr.), who is four lines above son, Sebastian CULP.  Only one of the two Peter CULPs was indexed. 

7.  1840 Census Index/Images (online at Ancestry.com; Image #17 of 22; extracted by Diana Gale Matthiesen):

1840

OH

Pickaway Co.

Salt Creek Twp.

p. 204B

Ln. 1

Peter Kulp Senr

000 000 000 100 - 000 000 000 100

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	70-79	1760-1770	= Peter (b. 1763)
1 female	70-79	1760-1770	= Mary (b. 1768)
1	person employed in agriculture

Listed two lines above son, Peter KULP J^unr.

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