1.  Marriage Record:

2.  1810

3.  1820 Census Index and Digital Images (online at Ancestry.com; Image #2 of 37; extracted by Diana Gale Matthiesen):¤

1820

PA

Mifflin [now Juniata] Co.

Greenwood Twp.

Roll M33_102

p. 178

Ln. 11

Henry Dim

020110-10010-0-300

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
2 males	10-15	1804-1810	= Samuel (b. 1807/8) = Jacob (b. 1806)
1 male	19-25*	1794-1801	= John (b. 1803?)
1 male	26-44	1775-1794	= Henry (b. 1776)
1 female	9 or under	1810-1820	= Mary (b. 1811)
1 female	26-44	1775-1794	= Susan (b. 1780)
3	persons 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."

4.  1830 Census Index/Images (online at Ancestry.com, Image #17 of 24; extracted by Diana Gale Matthiesen):¤

1830

PA

Mifflin [now Juniata] Co.

Greenwood Twp.

Roll 147

p. 405

Ln. 7

Henry Dimm

000 030 010 - 000 100 010

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
3 males	20-29	1800-1810	= Samuel (b. 1807/8) = Jacob (b. 1806) = John (b. 1803?)
1 male	50-59	1770-1780	= Henry (b. 1776)
1 female	15-19	1810-1815	= Mary (b. 1811)
1 female	50-59	1770-1780	= Susan (b. 1780)

5.  1840

6.  John F. Meginness, ed.  1892.  History of Lycoming County, Pennsylvania (reprinted 1979 by Unigraphic, Evansville, IN; reprinted 1990 by Gateway Press, Baltimore, MD; online at the Lycoming County PAGenWeb site).

HENRY DIMM removed to Greenwood township, Juniata county, Pennsylvania, about the year 1800.  He married Susan Welt, and to them were born seven children, three of whom died when young.  His eldest son, John Dimm, was associate judge of Juniata county; Jacob married Eva Stineling, by whom he had seven children; Samuel died in Kansas in 1886; and Mary married Henry Stroup, by whom she had two children, and died in 1846.  Mr. Dimm died, October 10, 1846, aged seventy years.

7.  A.L. Guss.  1886.  "Chapter XXI: Greenwood Township." Pages 885-891 in F. Ellis & A.N. Hungerford, eds.  History of That Part of the Susquehanna and Juniata Valleys Embraced in the Counties of Mifflin, Juniata, Perry, Union and Snyder in the Commonwealth of Pennsylvania.  Everts, Peck & Richards, Philadelphia. 

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