MJ
Margaret Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Margaret Jackson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 4-person household.
Age 63
b. ~1877
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Jackson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1877 |
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 |
|---|---|---|---|---|
| Joseph Jackson | Head | — | 65 | ~1875 |
| Joseph Jackson | Son | — | 25 | ~1915 |
| George Jackson | Son | — | 25 | ~1915 |
| Margaret Jackson | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 43
Allegheny, Pennsylvania · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Margaret A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Spouse, age 53
Allegheny, Pennsylvania · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| 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 63
Allegheny-County, Pennsylvania · implied b. ~1877 — 4 household members
| Surname | Jackson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Jackson
Spouse · 1940 · age 63 · b. ~1877 · Pennsylvania
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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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03661-00063)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Tracenae Stoner | 65 | Mother | — | Pennsylvania |
| 2 | William Mcmillen | 46 | Brother | Truck Driver | Pennsylvania |
| 3 | Joseph Courtney | 76 | Lodger | — | England |
| 4 | Ephrim Whiteside | 54 | Head | — | Pennsylvania |
| 5 | Stella Whiteside | 49 | Wife | Cafe Manager | Kentucky |
| 7 | Charles Leacy | 69 | Head | — | England |
| 8 | Helen Leacy | 69 | Wife | — | England |
| 9 | Millicent Leacy | 33 | Daughter | Sales Clerk | Pennsylvania |
| 10 | Harry Thirkell | 31 | Head | Draftsman | Pennsylvania |
| 11 | Elena Thirkell | 23 | Wife | — | Pennsylvania |
| 12 | Thomas Thirkell | 3 | Son | — | Pennsylvania |
| 13 | Joyce Thirkell | 1 | Daughter | — | Pennsylvania |
| 14 | Joseph Jackson | 65 | Head | Mechanic Helper | Pennsylvania |
| 15 | Margaret Jackson THIS PERSON | 63 | Wife | — | Pennsylvania |
| 16 | Joseph Jackson | 25 | Son | Laborer | Pennsylvania |
| 17 | George Jackson | 25 | Son | File Clerk | Pennsylvania |
| 19 | Rhody Hall | 36 | Head | Exterminator | New York |
| 20 | Marion Hall | 31 | Wife | — | Pennsylvania |
| 21 | Clara Hall | 17 | Daughter | — | Pennsylvania |
| 22 | Vera Sloan | 56 | Head | — | Ireland |
| 23 | Vincent Sloan | 24 | Son | Truck Driver | Ireland |
| 24 | Alicia Sloan | 21 | Daughter | Waitress | Ireland |
| 25 | Josephine Sloan | 16 | Daughter | — | Pennsylvania |
| 26 | Frank Erichauf | 64 | Head | Laborer | Germany |
| 27 | Mary Erichauf | 65 | Wife | — | Germany |
| 28 | Edward Lintelmann | 68 | Head | Laborer | Pennsylvania |
| 29 | Agnes Lintelmann | 65 | Wife | — | Germany |
| 30 | Donald Heffler | 39 | Head | Paper Hanger | Pennsylvania |
| 31 | Margaret Heffler | 40 | Wife | — | Pennsylvania |
| 32 | Lillian Heffler | 14 | Daughter | — | Pennsylvania |
| 33 | Donald Heffler | 13 | Son | — | Pennsylvania |
| 34 | Gwendolyn Heffler | 11 | Daughter | — | Pennsylvania |
| 35 | Mable Daum | 46 | Head | Waitress | Pennsylvania |
| 36 | Robert Daum | 24 | Son | Mechanic | Pennsylvania |
| 37 | Nancy Daum | 24 | Daughter-in-law | Waitress | W. Virginia |
| 38 | Joseph Frost | 78 | Father | — | Pennsylvania |
| 39 | William Daum | 47 | Brother-in-law | Tool Grinder | Pennsylvania |
| 40 | Thelma Daum | 5 | Grand Daughter | — | Pennsylvania |
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)