MP
Margaret Parker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Parker across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Mary & G — first a spouse (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Parker |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Alice Parker | Daughter | — | 7 | ~1933 |
| Grace Parker | Daughter | — | 10 | ~1930 |
| Robert Parker | Head | — | 39 | ~1901 |
| Margaret Parker | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Cook, Illinois
Daughter, age 11
Cook, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 22
Cook, Illinois · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 18 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Michigan |
| Occupation | Office Clerk |
| Industry | Electrical |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 32
Cook-County, Illinois · implied b. ~1908 — 4 household members
| Surname | Parker |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Margaret Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Fountaine (~0.92 confidence) and father G Parker (~0.92 confidence) and mother Margaret Parker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Fountaine
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
G Parker
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Margaret Parker
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Parker
Spouse · 1940 · age 32 · b. ~1908 · Illinois
★ 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 — 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-t0627-00959-00740)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Varlancelle Kane | None | Eva | 3 | H-4 |
| 2 | Dudley Statum | 51 | Head | Supervisor | Illinois |
| 3 | Edith Statum | 53 | Wife | — | Wisconsin |
| 4 | Harrington Frame | 49 | Head | Salesman | Ohio |
| 5 | Clara Frame | 46 | Wife | Teacher | Illinois |
| 6 | James Landon | 29 | Head | President | Nebraska |
| 7 | Norma Landon | 30 | Wife | — | Cincinnati |
| 8 | James Landon | 4 | Son | — | Illinois |
| 9 | Laura Beckman | 51 | Mother-in-law | — | Switzerland |
| 10 | Harry Myers | 47 | Head | Chemist | Illinois |
| 11 | Georgiana Myers | 48 | Wife | — | Ohio |
| 12 | Constance Myers | 21 | Daughter | — | Washington |
| 13 | Ann Myers | 8 | Daughter | — | Illinois |
| 14 | George Mcgiven | 43 | Head | Space Buyer | Illinois |
| 15 | Henrietta Mcgiven | 40 | Wife | — | Illinois |
| 16 | Jane Mcgiven | 7 | Daughter | — | Illinois |
| 17 | Harry Eastlake | 56 | Head | Superintendent | England |
| 18 | Roseann Eastlake | 35 | Wife | — | Illinois |
| 19 | Joseph Eastlake | 6 | Son | — | Illinois |
| 20 | Mary Ann Eastlake | 4 | Daughter | — | Illinois |
| 21 | Mary Gabel | 64 | Mother-in-law | — | Illinois |
| 22 | Adam Block | 53 | Head | Clerk To The Supreme Court | Illinois |
| 23 | Idelle Block | 49 | Wife | — | Poland |
| 24 | Henry Block | 24 | Son | — | Illinois |
| 25 | Darrell Block | 19 | Son | — | Illinois |
| 26 | James Nielsen | 47 | Head | Wholesale Florist | Denmark |
| 27 | Margaret Nielsen | 40 | Wife | Wholesale Florist | Michigan |
| 28 | Nels Eric Nielsen | 6 | Son | — | Illinois |
| 29 | Robert Parker | 39 | Head | Asst. Dist. Mgr. Chicago | Illinois |
| 30 | Margaret Parker THIS PERSON | 32 | Wife | — | Illinois |
| 31 | Grace Mary Parker | 10 | Daughter | — | Illinois |
| 32 | Alice Parker | 7 | Daughter | — | Illinois |
| 33 | Raymond Green | 41 | Head | Chicago District Mgr. | Illinois |
| 34 | Vera Green | 39 | Wife | — | Illinois |
| 35 | John Green | 16 | Son | — | Illinois |
| 36 | James Green | 11 | Son | — | Illinois |
| 37 | Axel Nygren | 60 | Head | Machinist Foreman | Sweden |
| 38 | Helma Nygren | 70 | Wife | — | Sweden |
| 39 | David Nygren | 37 | Son | Salesman | Illinois |
| 40 | Stanley Nygren | 29 | Son | Painter | Illinois |
Pedigree Summary
Margaret
Gen 1 · 3 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)