CJ
Clara Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Oklahoma
Our Model Tree links this Clara Jackson across the 1930 and 1940 US Censuses in Delaware-County, Oklahoma (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Oklahoma |
| Surname | Jackson |
| Given Name | Clara May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Delaware |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | housework |
| Industry | At home |
| Class of Worker | NP |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | Hs 6 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Housework |
| Township / Ward | Saline Township |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clara | Age | Birth yr |
|---|---|---|---|---|
| Clara Jackson | Daughter | — | 16 | ~1924 |
| Pressie Jackson | Daughter | — | 3 | ~1937 |
| Mary Jackson | Daughter | — | 13 | ~1927 |
| Lillian Jackson | Daughter | — | 10 | ~1930 |
| Cora Jackson | Spouse | — | 34 | ~1906 |
| Jack Jackson | Son | — | 6 | ~1934 |
| William Jackson | Head | — | 39 | ~1901 |
Census Appearances
1930
Delaware, Oklahoma
Daughter, age 6
Delaware, Oklahoma · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Delaware-County, Oklahoma
Daughter, age 16
Delaware-County, Oklahoma · implied b. ~1924 — 7 household members
| Surname | Jackson |
| Given Name | Clara May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Delaware |
| 1935 Residence (County) | Delaware |
| Occupation | housework |
| Industry | At home |
| Class of Worker | NP |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | Hs 6 |
| 1935 Residence | Oklahoma |
| 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 Clara Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Clara Jackson
Daughter · 1940 · age 16 · b. ~1924 · Oklahoma
★ You are viewing this record
Sibling
Lillian Jackson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jackson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pressie Jackson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Jackson
Sibling · 1940 · age 6
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 — Delaware-County, Oklahoma
Open full size
1940 US Federal Census — Delaware-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03290-00690)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hiram A. Linkiller | 25 | Head | Farmer | Oklahoma |
| 42 | Georgia Lucille Linkiller | 24 | Wife | Housewife | Oklahoma |
| 43 | Roger Lee Linkiller | 3 | Son | — | Oklahoma |
| 44 | William Beecher Jackson | 39 | Head | Mechanic | Oklahoma |
| 45 | Cora Lee Jackson | 34 | Wife | — | Oklahoma |
| 46 | Clara May Jackson THIS PERSON | 16 | Daughter | Housework | Oklahoma |
| 47 | Mary Elizabeth Jackson | 13 | Daughter | — | Oklahoma |
| 48 | Lillian Claudine Jackson | 10 | Daughter | — | Oklahoma |
| 49 | Jack Jackson | 6 | Son | — | Oklahoma |
| 50 | Pressie Josephine Jackson | 3 | Daughter | — | Oklahoma |
| 51 | Clyde Allen | 35 | Head | Merchant | Arkansas |
| 52 | Gertrude Allen | 31 | Wife | Housewife | Texas |
| 53 | Betty Jean Allen | 4 | Daughter | — | Oklahoma |
| 54 | Etta Allen | 59 | Mother | — | Missouri |
| 55 | Sam Wattam | 29 | Head | Clerk | Texas |
| 56 | Alma Wattam | 31 | Wife | Housewife | Oklahoma |
| 57 | Bobby Dean Wattam | 2 | Son | — | Oklahoma |
| 58 | Dallas Wilson | 32 | Head | Merchant | Oklahoma |
| 59 | Eunice Wilson | 29 | Wife | Teacher | Oklahoma |
| 60 | David Wilson | 20 | Brother | Labor | Oklahoma |
| 61 | John W. Tharp | 67 | Head | — | Alabama |
| 62 | Frank Goins | 26 | Head | Teacher | Oklahoma |
| 63 | Cleora Goins | 24 | Wife | Teacher | Oklahoma |
| 64 | Jim Ball | 55 | Head | Farmer | Missouri |
| 65 | Mozelle Ball | 34 | Wife | Housewife | Arkansas |
| 66 | Wilma Ball | 16 | Daughter | — | Oklahoma |
| 67 | Jack Ball | 13 | Son | — | Oklahoma |
| 68 | Coy Ball | 11 | Son | — | Oklahoma |
| 69 | Ruth Ball | 8 | Daughter | — | Oklahoma |
| 70 | Maybell Ball | 6 | Daughter | — | Oklahoma |
| 71 | Donald Ball | 2 | Son | — | Oklahoma |
| 72 | Lonnie Matlock | 64 | Head | — | Arkansas |
| 73 | Alice Matlock | 62 | Wife | Housewife | Arkansas |
| 74 | W. F. Canis | 66 | Head | — | Alabama |
| 75 | Claude Hedrick | 44 | Head | Farmer | Missouri |
| 76 | Ora Hedrick | 31 | Wife | Housewife | Oklahoma |
| 77 | June Hedrick | 8 | Daughter | — | Oklahoma |
| 78 | Bobby Hedrick | 6 | Son | — | Oklahoma |
| 79 | Geraldine Hedrick | 2 | Daughter | — | California |
| 80 | Hazel Jenkins | 15 | Niece | — | 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)