KC
Kenneth Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, New York
Our Model Tree links this Kenneth Clark across the 1920, 1930 and 1940 US Censuses in Jefferson-County, New York (XGBoost, ~Confirmed), with identified parents Frank & Franklin — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, New York |
| Surname | Clark |
| Given Name | Kenneth A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Mannsville village |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Student |
| Industry | Student Aid |
| Class of Worker | GW |
| Hours Worked | 8 |
| Income (1939) | 600 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Student |
| Township / Ward | Mannsville Village |
| Est. Birth Year | ~1919 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Lena Clark | Spouse | — | 65 | ~1875 |
| Kenneth Clark | Son | — | 21 | ~1919 |
| Franklin Clark | Head | — | 65 | ~1875 |
Census Appearances
1920
Jefferson, New …
Son, age 1
Jefferson, New York · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Jefferson, New …
Son, age 11
Jefferson, New York · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Kenneth A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Jefferson-County, New …
Son, age 21
Jefferson-County, New York · implied b. ~1919 — 3 household members
| Surname | Clark |
| Given Name | Kenneth A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Mannsville village |
| 1935 Residence (County) | Jefferson |
| Occupation | Student |
| Industry | Student Aid |
| Class of Worker | GW |
| Hours Worked | 8 |
| Income (1939) | 600 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Kenneth Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Clark (~0.92 confidence) and father Franklin Clark (~0.92 confidence) and father Franklin Clark (~0.92 confidence) and mother Lena Clark (~0.92 confidence) and mother Lena Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Clark
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Franklin Clark
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Franklin Clark
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Lena Clark
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Lena Clark
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Clark
Son · 1940 · age 21 · b. ~1919 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, New York
Open full size
1940 US Federal Census — Jefferson-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02544-00671)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harriet E. Dewitt | 73 | Housekeeper | Housekeeper | New York |
| 2 | Raymond W. Harrington | 28 | Head | Professor | New York |
| 3 | Margaret R. Harrington | 25 | Wife | — | New York |
| 4 | Edward B. Groves | 40 | Head | Truckman | New York |
| 5 | Erena D. Groves | 45 | Wife | — | New York |
| 6 | Betty P. Groves | 17 | Daughter | Saleslady | New York |
| 7 | Albert G. Groves | 9 | Son | — | New York |
| 8 | William R. Groves | 5 | Son | — | New York |
| 9 | Mary E. Randall | 80 | Mother-in-law | — | New York |
| 10 | Alfred E. Williams | 76 | Head | — | New York |
| 11 | Floyd S. Clark | 38 | Head | Mechanic | New York |
| 12 | Ruth A. Clark | 34 | Wife | — | New York |
| 13 | Barbara G. Clark | 8 | Daughter | — | New York |
| 14 | Paul H. Clark | 5 | Son | — | New York |
| 15 | Delbert W. Kirby | 34 | Head | Upholsterer | New York |
| 16 | Sylvia R. Kirby | 29 | Wife | — | New York |
| 17 | Wallace A. Kirby | 9 | Son | — | New York |
| 18 | Rose Mary Kirby | 8 | Daughter | — | New York |
| 19 | Charles S. Adsit | 71 | Father-in-law | Salesman | New York |
| 20 | Bruce F. Carter | 52 | Head | Superintendent | New York |
| 21 | Nora H. Carter | 62 | Wife | — | New York |
| 22 | Franklin J. Clark | 65 | Head | — | New York |
| 23 | Lena S. Clark | 65 | Wife | — | New York |
| 24 | Kenneth A. Clark THIS PERSON | 21 | Son | Student | New York |
| 25 | Ira S. Brown | 53 | Head | General Agent | South Dakota |
| 26 | Bessie M. Brown | 50 | Wife | — | Kansas |
| 27 | Harold M. Brown | 25 | Son | New Worker | Wisconsin |
| 28 | Ellen J. Brown | 22 | Daughter | Teacher | New York |
| 29 | Mildred D. Brown | 18 | Daughter | — | New York |
| 30 | Milton S. Brown | 18 | Son | — | New York |
| 31 | William H. Fox | 80 | Head | Proprietor | New York |
| 32 | Lucy F. Fox | 80 | Wife | — | New York |
| 33 | Lillie Young | 60 | Servant | Servant | New York |
| 34 | Floyd R. Rundell | 50 | Head | Machinist | New York |
| 35 | Martha G. Rundell | 50 | Wife | — | New York |
| 36 | George N. Lawson | 58 | Head | Manager | New York |
| 37 | Pearl Lawson | 50 | Wife | Clerk | Pennsylvania |
| 38 | Harold L. Pratt | 35 | Head | Painter | New York |
| 39 | Vera R. Pratt | 33 | Wife | Baker | New York |
| 40 | Evelyn E. Pratt | 14 | Daughter | — | New York |
Pedigree Summary
Kenneth
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)