GJ
Gertrude Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Gertrude Jackson across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1909), then head of a 9-person household.
Age 31
b. ~1909
Female
Spouse
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jackson |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Clarksdale |
| 1935 Residence (County) | Coahoma |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Robbins Village |
| Est. Birth Year | ~1909 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Ada Jackson | Daughter | — | 3 | ~1937 |
| Roosevelt Jackson | Head | — | 30 | ~1910 |
| Mary Jackson | Daughter | — | 10 | ~1930 |
| Janie Jackson | Daughter | — | 7 | ~1933 |
| Evelyn Jackson | Daughter | — | 13 | ~1927 |
| Gertrude Jackson | Spouse | — | 31 | ~1909 |
| Roosevelt Jackson | Son | — | 9 | ~1931 |
| Thomas Jackson | Son | — | 1 | ~1939 |
| Annie Jackson | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Cook, Illinois
Other, age 21
Cook, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Gertrude |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 17 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laundress |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Cook-County, Illinois
Spouse, age 31
Cook-County, Illinois · implied b. ~1909 — 9 household members
| Surname | Jackson |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Clarksdale |
| 1935 Residence (County) | Coahoma |
| Highest Grade | 8 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Gertrude Jackson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Gertrude Jackson
Spouse · 1940 · age 31 · b. ~1909 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00775-00561)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Hill | 44 | Head | Foreman | Arkansas |
| 42 | Grace Hill | 46 | Wife | — | Tennessee |
| 43 | Charles Beckman | 40 | Head | Printer | Indiana |
| 44 | Lottie Beckman | 30 | Wife | — | Texas |
| 45 | Charles Jr. Beckman | 10 | Son | — | Illinois |
| 46 | Shirley Ann Beckman | 5 | Daughter | — | Illinois |
| 47 | Herman Huff | 25 | Head | Laborer | Illinois |
| 48 | Olivia Huff | 24 | Wife | — | Georgia |
| 49 | Jennings Huff | 1 | Daughter | — | Illinois |
| 50 | Luther Wortham | 68 | Head | — | Virginia |
| 51 | Roosevelt Jackson | 30 | Head | Bagger | Mississippi |
| 52 | Gertrude Jackson THIS PERSON | 31 | Wife | — | Mississippi |
| 53 | Evelyn Jackson | 13 | Daughter | — | Mississippi |
| 54 | Mary Jackson | 10 | Daughter | — | Mississippi |
| 55 | Roosevelt Jr. Jackson | 9 | Son | — | Mississippi |
| 56 | Janie Jackson | 7 | Daughter | — | Mississippi |
| 57 | Annie Jackson | 5 | Daughter | — | Mississippi |
| 58 | Ada Rose Jackson | 3 | Daughter | — | Mississippi |
| 59 | Thomas Jackson | 1 | Son | — | Illinois |
| 60 | J. B. Beathune | 65 | Head | — | Tennessee |
| 61 | Rachel Beathune | 68 | Wife | — | Tennessee |
| 62 | Eugene Blackwell | 32 | Son-in-law | Digger | Tennessee |
| 63 | Harry Williams | 34 | Lodger | Laborer | Illinois |
| 64 | Harry Bush | 61 | Head | Laborer | New Jersey |
| 65 | Evelyn Bush | 53 | Wife | — | Mississippi |
| 66 | Eddie Harvey | 38 | Head | Sand-Cutter | Mississippi |
| 67 | Lottie Harvey | 37 | Wife | — | Georgia |
| 68 | Lillian Harvey | 14 | Daughter | — | Illinois |
| 69 | Shirley Harvey | 11 | Daughter | — | Illinois |
| 70 | James Harvey | 9 | Son | — | Illinois |
| 71 | Stanley Harvey | 6 | Son | — | Illinois |
| 72 | Benjamin Harvey | 4 | Son | — | Illinois |
| 73 | Eddie Lee Harvey | 2 | Son | — | Illinois |
| 74 | Ellen Mullins | 51 | Head | Seamstress | Alabama |
| 75 | Eason Smith | 63 | Head | Housekeeping | Alabama |
| 76 | Ethel Smith | 25 | Daughter | — | Illinois |
| 77 | Lillian Smith | 10 | Daughter | — | Illinois |
| 78 | Harry Smith | 8 | Son | — | Illinois |
| 79 | Robert Harris | 30 | Head | Cook | Georgia |
| 80 | Harris | 28 | Wife | — | Georgia |
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)