LJ
Lee Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oklahoma-County, Oklahoma
Our Model Tree links this Lee Jackson across the 1930 and 1940 US Censuses in Oklahoma-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oklahoma-County, Oklahoma |
| Surname | Jackson |
| Given Name | Lee Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (County) | Oklahoma |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Oklahoma City |
| Est. Birth Year | ~1929 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lee | Age | Birth yr |
|---|---|---|---|---|
| L Jackson | Head | — | 38 | ~1902 |
| Berta Jackson | Daughter | — | 9 | ~1931 |
| Lena Jackson | Spouse | — | 33 | ~1907 |
| Lee Jackson | Son | — | 11 | ~1929 |
| Lois Jackson | Daughter | — | 4 | ~1936 |
| Mary Jackson | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Oklahoma, Oklahoma
Son, age 1
Oklahoma, Oklahoma · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Lee B Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Oklahoma-County, Oklahoma
Son, age 11
Oklahoma-County, Oklahoma · implied b. ~1929 — 6 household members
| Surname | Jackson |
| Given Name | Lee Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (County) | Oklahoma |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Lee Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lee Jackson
Son · 1940 · age 11 · b. ~1929 · Oklahoma
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Sibling
Lois Jackson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jackson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berta Jackson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Oklahoma-County, Oklahoma
Open full size
1940 US Federal Census — Oklahoma-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03347-00064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Juanita Mae Young | 4 | daughter | — | Oklahoma |
| 2 | Harry Drake | 22 | Brother-in-law | 30 | Oklahoma |
| 3 | H. H. Rice | 33 | Head | 44 | Texas |
| 4 | Lillie (X) Rice | 32 | Wife | 60 | Oklahoma |
| 5 | Eugene (X) Land | 11 | step son | — | Oklahoma |
| 6 | Joe Williams | 36 | Head | 54 | Texas |
| 7 | Clara (X) Williams | 31 | Wife | — | Texas |
| 8 | Rodney R. Williams | 12 | son | — | Oklahoma |
| 9 | Daniel Williams | 8 | son | — | New Mexico |
| 10 | Kenneth Ulman | 20 | Brother-in-law | — | New Mexico |
| 11 | A. L. Ulman | 29 | Head | 40 | Oklahoma |
| 12 | Edith (X) Ulman | 26 | wife | — | Oklahoma |
| 13 | Roberta Ulman | 9 | daughter | — | Oklahoma |
| 14 | Maxine Ulman | 7 | daughter | — | Oklahoma |
| 15 | Calvin Ulman | 3 | son | — | Oklahoma |
| 16 | W. B. Ross | 45 | Head | 10 | Arkansas |
| 17 | Lois (X) Ross | 36 | wife | — | Texas |
| 18 | Charles Whitwell | 16 | step son | 56 | Oklahoma |
| 19 | Marvin (X) Colsmith | 27 | Head | — | — |
| 20 | Vera Colsmith | 25 | wife | — | — |
| 21 | Earl Ferguson | 23 | Head | 42 | Oklahoma |
| 22 | Norma (X) Ferguson | 17 | wife | — | Texas |
| 23 | J. A. (X) Ranley | 64 | Head | 40 | Ohio |
| 24 | Eugenia Ranley | 66 | wife | — | South Carolina |
| 25 | Gladys Ranley | 32 | Daughter | 40 | Texas |
| 26 | Clarence Newton | 52 | Head | 40 | Texas |
| 27 | Lara (X) Newton | 38 | wife | — | Oklahoma |
| 28 | Windafred Newton | 9 | daughter | — | Oklahoma |
| 29 | Clarence J. Newton | 8 | son | — | Oklahoma |
| 30 | Leroy Austin | 18 | Lodger | — | Oklahoma |
| 31 | Myrtle Austin | 17 | daughter | — | Oklahoma |
| 32 | Frank (X) Rolland | 50 | Head | — | Texas |
| 33 | Rosa Rolland | 42 | wife | — | Texas |
| 34 | Charles Edward Rolland | 4 | son | — | Oklahoma |
| 35 | L. L. (X) Jackson | 38 | Head | 54 | Texas |
| 36 | Lena Jackson | 33 | wife | — | Texas |
| 37 | Lee Jr. Jackson THIS PERSON | 11 | son | — | Oklahoma |
| 38 | Berta Mae Jackson | 9 | daughter | — | Oklahoma |
| 39 | Mary Jackson | 6 | daughter | — | Oklahoma |
| 40 | Lois Jackson | 4 | daughter | — | Oklahoma |
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)