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Margaret Butler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Margaret Butler across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 12-person household.
Age 15
b. ~1925
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Butler |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Student |
| Hours Worked | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Student |
| Township / Ward | Newark |
| Est. Birth Year | ~1925 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Bernice Butler | Daughter | — | 17 | ~1923 |
| Elinor Butler | Daughter | — | 5 | ~1935 |
| Ruby Butler | Spouse | — | 36 | ~1904 |
| Charles Butler | Head | — | 37 | ~1903 |
| James Butler | Son | — | 8 | ~1932 |
| Richard Butler | Son | — | 6 | ~1934 |
| Edward Butler | Son | — | 9 | ~1931 |
| William Butler | Son | — | 14 | ~1926 |
| Agnes Butler | Daughter | — | 3 | ~1937 |
| Thomas Butler | Son | — | 12 | ~1928 |
| Clifford Butler | Son | — | 1 | ~1939 |
| Margaret Butler | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Hudson, New …
Daughter, age 4
Hudson, New Jersey · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Daughter, age 15
Essex-County, New Jersey · implied b. ~1925 — 12 household members
| Surname | Butler |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Occupation | Student |
| Hours Worked | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Butler across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Butler
Daughter · 1940 · age 15 · b. ~1925 · New Jersey
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Sibling
Elinor Butler
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Butler
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Butler
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Butler
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Butler
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Butler
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Butler
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Butler
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Butler
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02414-00864)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willie Roundtree | 33 | Head | Laborer | Georgia |
| 2 | Helen Roundtree | 23 | Wife | — | Georgia |
| 3 | Joyce Roundtree | 7 | Daughter | — | New Jersey |
| 4 | Richard Roundtree | 5 | Son | — | New Jersey |
| 5 | Gloria Roundtree | 4 | Daughter | — | New Jersey |
| 6 | Barbara Roundtree | 2 | Daughter | — | New Jersey |
| 7 | John Price | 46 | Head | Laborer | Georgia |
| 8 | Elizabeth Price | 40 | Wife | — | Georgia |
| 9 | Kathryn Price | 17 | Daughter | — | Georgia |
| 10 | Franklin Price | 5 | Son | — | Georgia |
| 11 | Charles Butler | 37 | Head | Laborer | New Jersey |
| 12 | Ruby Butler | 36 | Wife | — | New Jersey |
| 13 | Bernice Butler | 17 | Daughter | Student | New Jersey |
| 14 | Margaret Butler THIS PERSON | 15 | Daughter | Student | New Jersey |
| 15 | William Butler | 14 | Son | Student | New Jersey |
| 16 | Thomas Butler | 12 | Son | — | New Jersey |
| 17 | Edward Butler | 9 | Son | — | New Jersey |
| 18 | James Butler | 8 | Son | — | New Jersey |
| 19 | Richard Butler | 6 | Son | — | New Jersey |
| 20 | Elinor Butler | 5 | Daughter | — | New Jersey |
| 21 | Agnes Butler | 3 | Daughter | — | New Jersey |
| 22 | Clifford Butler | 1 | Son | — | New Jersey |
| 23 | Robert Beattie | 37 | Head | Laborer | North Carolina |
| 24 | Annie Beattie | 34 | Wife | — | Atlanta, Ga |
| 25 | Mary Beattie | 7 | Daughter | — | New Jersey |
| 26 | Joyce Beattie | 6 | Daughter | — | New Jersey |
| 27 | Clovis Beattie | 4 | Daughter | — | New Jersey |
| 28 | Emma Miller | 51 | Head | — | Virginia |
| 29 | Virginia Emery | 31 | Daughter | Maid | Virginia |
| 30 | Charles Emery | 20 | Son | Laborer | New Jersey |
| 31 | James Emery | 14 | Son | Porter | New Jersey |
| 32 | John Mencer | 52 | Head | Laborer | Georgia |
| 33 | Annie Mencer | 50 | Wife | — | Georgia |
| 34 | Savannah Mencer | 25 | Daughter | — | So. Carolina |
| 35 | John Mencer | 22 | Son | Mechanic | So. Carolina |
| 36 | Caroline Mencer | 1 | Daughter | — | New Jersey |
| 37 | Willie Bertrand | 27 | Head | Laborer | Ohio |
| 38 | Lucille Bertrand | 24 | Wife | — | Ohio |
| 39 | Donald Bertrand | 8 | Son | — | Ohio |
| 40 | Philip Bertrand | 6 | Son | — | Ohio |
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)