SA
Sarah Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Sarah Alexander across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 12-person household.
Age 31
b. ~1909
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Alexander |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Plainfield |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 24 |
| Highest Grade | No H-2 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Maid |
| Township / Ward | Plainfield |
| Est. Birth Year | ~1909 |
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 Sarah | Age | Birth yr |
|---|---|---|---|---|
| Martha Alexander | Head | — | 62 | ~1878 |
| Forrest Alexander | Son | — | 30 | ~1910 |
| Gerald Alexander | Other | — | 1 | ~1939 |
| John Alexander | Other | — | 13 | ~1927 |
| Audrey Alexander | Son | — | 39 | ~1901 |
| Orville Alexander | Other | — | 10 | ~1930 |
| Juanita Tally | Daughter | — | 37 | ~1903 |
| Fred Alexander | Other | — | 10 | ~1930 |
| William Tally | Other | — | 15 | ~1925 |
| Haywood Alexander | Son | — | 23 | ~1917 |
| Douglas Alexander | Son | — | 32 | ~1908 |
| Sarah Alexander | Daughter | — | 31 | ~1909 |
Census Appearances
1930
Union, New …
Daughter, age 17
Union, New Jersey · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Union-County, New …
Daughter, age 31
Union-County, New Jersey · implied b. ~1909 — 12 household members
| Surname | Alexander |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Plainfield |
| 1935 Residence (County) | Union |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 24 |
| Highest Grade | No H-2 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Sarah Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Alexander
Daughter · 1940 · age 31 · b. ~1909 · New Jersey
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Sibling
Forrest Alexander
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Haywood Alexander
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Tally
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Alexander
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Alexander
Sibling · 1940 · age 32
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-t0627-02387-00863)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Noble | 50 | Head | Salesclerk | Scotland |
| 42 | Thomas Noble | 22 | Son | Salesclerk | New Jersey |
| 43 | Ruth Noble | 19 | Daughter | Salesclerk | New Jersey |
| 44 | James Torrance | 56 | Head | Laborer | Virginia |
| 45 | Mae Torrance | 44 | Wife | Seamstress | Maryland |
| 46 | James Jr. Torrance | 22 | Son | Grinder | New Jersey |
| 47 | Mary Hills | 58 | Head | — | Eire |
| 48 | Joseph Hills | 35 | Son | Laborer | New Jersey |
| 49 | Catherine Hills | 30 | Daughter | Beautician | New Jersey |
| 50 | Patrick Cooney | 50 | Head | Foreman | Eire |
| 51 | Mary Cooney | 26 | Daughter | Clerical | New Jersey |
| 52 | Thomas Cooney | 25 | Son | Salesclerk | New Jersey |
| 53 | Joseph Cooney | 23 | Son | Clerical | New Jersey |
| 54 | Elizabeth Cooney | 22 | Daughter | Clerical | New Jersey |
| 55 | Major Anderson | 48 | Head | Painter | South Carolina |
| 56 | Janie Anderson | 29 | Wife | Maid | South Carolina |
| 57 | Curtis Perkins | 26 | Head | Laborer | New Jersey |
| 58 | Isabel Perkins | 21 | Wife | — | New Jersey |
| 59 | Curtis, Jr. Perkins | 2 | Son | — | New Jersey |
| 60 | Florence Perkins | 1 | Daughter | — | New Jersey |
| 61 | Caroline Perkins | 0 | Daughter | — | New Jersey |
| 62 | Harold Bennett | 40 | Head | Laborer | New York |
| 63 | Claudine Bennett | 39 | Wife | — | North Carolina |
| 64 | Elizabeth Bennett | 14 | Daughter | — | New Jersey |
| 65 | Emma Bennett | 12 | Daughter | — | New Jersey |
| 66 | Walter Bennett | 4 | Son | — | New Jersey |
| 67 | Gloria Bennett | 0 | Daughter | — | New Jersey |
| 68 | Eng Extra Line | None | Lee | — | — |
| 69 | Martha Alexander | 62 | Head | — | South Carolina |
| 70 | Audrey Alexander | 39 | Son | Chauffeur | South Carolina |
| 71 | John Alexander | 13 | Grandson | — | New Jersey |
| 72 | Haywood Alexander | 23 | Son | — | New Jersey |
| 73 | Orville Alexander | 10 | Grandson | — | New Jersey |
| 74 | Douglas Alexander | 32 | Son | Laborer | South Carolina |
| 75 | Forrest Alexander | 30 | Son | Laborer | New Jersey |
| 76 | Fred Alexander | 10 | Grandson | — | New Jersey |
| 77 | Sarah Alexander THIS PERSON | 31 | Daughter | Maid | South Carolina |
| 78 | Gerald Alexander | 1 | Grandson | — | New Jersey |
| 79 | Juanita Tally | 37 | Daughter | Maid | South Carolina |
| 80 | William Tally | 15 | Grandson | — | New Jersey |
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)