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Martha Bailey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Martha Bailey across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | BAILEY |
| Given Name | MARTHA |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Elizabeth |
| Est. Birth Year | ~1928 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Bailey | Son | — | 12 | ~1928 |
| Doris Bailey | Daughter | — | 10 | ~1930 |
| Willie Bailey | Head | — | 32 | ~1908 |
| Irvin Bailey | Son | — | 7 | ~1933 |
| Inez Bailey | Spouse | — | 22 | ~1918 |
| Clifford Bailey | Son | — | 13 | ~1927 |
Census Appearances
1930
Union, New …
Son, age 2
Union, New Jersey · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 12
Union-County, New Jersey · implied b. ~1928 — 6 household members
| Surname | BAILEY |
| Given Name | MARTHA |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| 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 Martha Bailey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Bailey
Son · 1940 · age 12 · b. ~1928 · New Jersey
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Sibling
Doris Bailey
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irvin Bailey
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Bailey
Sibling · 1940 · age 13
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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02397-00093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Denna Smart | 20 | Boarder | House Maid | Florida |
| 42 | Sylvester Free | 53 | Head | Streets | South Carolina |
| 43 | Emma Free | 43 | Wife | — | South Carolina |
| 44 | Samuel Horsley | 34 | Head | Laborer | Virginia |
| 45 | Esther Horsley | 30 | Wife | House Maid | Georgia |
| 46 | Oscar Horsley | 11 | Son | — | Virginia |
| 47 | George Horsley | 5 | Son | — | Virginia |
| 48 | Sally Horsley | 2 | Daughter | — | Virginia |
| 49 | Willie Bailey | 32 | Head | Core Maker | Georgia |
| 50 | Inez Bailey | 22 | Wife | — | Georgia |
| 51 | Clifford Bailey | 13 | Son | — | New Jersey |
| 52 | Martha Bailey THIS PERSON | 12 | Son | — | New Jersey |
| 53 | Doris Bailey | 10 | Daughter | — | New Jersey |
| 54 | Irvin Bailey | 7 | Son | — | New Jersey |
| 55 | Tony Swysz | 24 | Head | Handy Man | New Jersey |
| 56 | Anna Swysz | 52 | Mother | — | Poland |
| 57 | Helen Swysz | 21 | Sister | Operator | New Jersey |
| 58 | Anthony Grabowski | 52 | Head | Press Man | Poland |
| 59 | Eva Grabowski | 56 | Wife | — | Poland |
| 60 | William Valle | 18 | Head | Clerical | Pennsylvania |
| 61 | Angelia Valle | 44 | Mother | — | Spain |
| 62 | Joseph Valle | 15 | Brother | Auto Mechanic | Pennsylvania |
| 63 | Michael Sawicki | 44 | Head | Brick Layer | Poland |
| 64 | Amilie Sawicki | 42 | Wife | Sales Lady | Poland |
| 65 | Clara Sawicki | 17 | Daughter | Bench Work | Canada |
| 66 | John Sawicki | 13 | Son | — | New Jersey |
| 67 | Ellen Sawicki | 8 | Daughter | — | New Jersey |
| 68 | John Zalapokes | 27 | Head | Machinist | New Jersey |
| 69 | Mildred Zalapokes | 24 | Wife | Typist | New Jersey |
| 70 | Joseph Zalapokes | 61 | Head | Laborer | Lithuania |
| 71 | Soleme Zalapokes | 54 | Wife | — | Lithuania |
| 72 | Veronica Zalapokes | 15 | Daughter | — | New Jersey |
| 73 | Vicente Garcia | 57 | Head | Laborer | Spain |
| 74 | Ramona Garcia | 53 | Wife | — | Spain |
| 75 | Avelina Garcia | 26 | Daughter | Operator | Spain |
| 76 | Alice Garcia | 23 | Daughter | Operator | Spain |
| 77 | Raymond Cotay | 36 | Head | Handyman | New Jersey |
| 78 | Mary Flinn | 60 | Aunt | — | New Jersey |
| 79 | Frank Artes | 38 | Head | Operator | Spain |
| 80 | Concepcion Artes | 28 | Wife | Operator | Spain |
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)