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Margaret Brooks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Margaret Brooks across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Ralph & Nellie — first a spouse (b.~1913), then head of a 7-person household.
Age 27
b. ~1913
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Brooks |
| Given Name | Margaret D |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Richland Twp |
| Est. Birth Year | ~1913 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Brooks | Spouse | — | 27 | ~1913 |
| William Brooks | Head | — | 37 | ~1903 |
| David Brooks | Son | — | 6 | ~1934 |
| Shirley Brooks | Daughter | — | 4 | ~1936 |
| Marjory Wright | Other | — | 12 | ~1928 |
| Francis Wright | Other | — | 15 | ~1925 |
| John Wright | Other | — | 20 | ~1920 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 6
Allegheny, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Margaret M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 27
Allegheny-County, Pennsylvania · implied b. ~1913 — 7 household members
| Surname | Brooks |
| Given Name | Margaret D |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allegheny |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Brooks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Brooks (~0.92 confidence) and mother Nellie Brooks (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Brooks
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Nellie Brooks
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Brooks
Spouse · 1940 · age 27 · b. ~1913 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-03416-00067)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 42 | Frank J Straiger | 26 | Boarder | Laborer | Pennsylvania |
| 43 | Leon Sale | 23 | Boarder | Clerk | Pennsylvania |
| 45 | Lewis A. Yost | 29 | Head | School Teacher | Pennsylvania |
| 46 | Grace H. Yost | 21 | Wife | — | Pennsylvania |
| 47 | William H Brooks | 37 | Head | Butcher | West Virginia |
| 48 | Margaret D Brooks THIS PERSON | 27 | Wife | — | Pennsylvania |
| 49 | David J. Brooks | 6 | Son | — | Pennsylvania |
| 50 | Shirley M Brooks | 4 | Daughter | — | Pennsylvania |
| 51 | John A Wright | 20 | Boarder | New Worker | Pennsylvania |
| 52 | Francis L Wright | 15 | Boarder | — | Pennsylvania |
| 53 | Marjory A Wright | 12 | Sister in law | — | Pennsylvania |
| 54 | William Donaldson | 33 | Head | Laborer | Pennsylvania |
| 55 | Charles Gloddi | 52 | Caretaker | Caretaker | Germany |
| 56 | Wilbur C Pearce | 59 | Head | 0 | Pennsylvania |
| 57 | Edith Pearce | 56 | Wife | 5 | Pennsylvania |
| 58 | Raymond G. Schlagel | 42 | Head | 8 | Pennsylvania |
| 59 | Anna E. Thompson | 63 | Housekeeper | Housekeeper | Pennsylvania |
| 60 | Edward H Purinton | 23 | Head | Salesman | Illinois |
Pedigree Summary
Margaret
Gen 1 · 2 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)