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Louise Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Louise Davis across the 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Davis |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louise | Age | Birth yr |
|---|---|---|---|---|
| Samuel Davis | Son | — | 8 | ~1932 |
| Idella Davis | Spouse | — | 40 | ~1900 |
| Christine Davis | Daughter | — | 15 | ~1925 |
| Louise Davis | Daughter | — | 13 | ~1927 |
| Henry Davis | Son | — | 14 | ~1926 |
| Freddie Davis | Son | — | 6 | ~1934 |
| Mary Davis | Daughter | — | 18 | ~1922 |
| Henry Davis | Head | — | 45 | ~1895 |
| Dorothy Davis | Daughter | — | 11 | ~1929 |
| Arthur Davis | Son | — | 3 | ~1937 |
| Viola Davis | Daughter | — | ~1940 |
Census Appearances
1930
Mercer, New …
Other, age 4
Mercer, New Jersey · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Louise |
| Relationship to Head | Grand-niece |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| 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
Mercer-County, New …
Daughter, age 13
Mercer-County, New Jersey · implied b. ~1927 — 11 household members
| Surname | Davis |
| Given Name | Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Highest Grade | No 7 |
| 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 Louise Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louise Davis
Daughter · 1940 · age 13 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
Samuel Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Davis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Davis
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christine Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Davis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freddie Davis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Davis
Sibling · 1940 · age 14
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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02356-00777)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Nagy | 62 | Brother in law | Farmer | Hungary |
| 2 | Emma Nagy | 35 | Daughter | Cigar Maker | Hungary |
| 3 | Charles Kulp | 38 | Head | Bricklayer | New Jersey |
| 4 | Lottie Kulp | 48 | Wife | — | New Jersey |
| 5 | William Kulp | 20 | Son | Bricklayer Helper | New Jersey |
| 6 | Russell Kulp | 17 | Son | Polisher | New Jersey |
| 7 | Edna Klein | 58 | Head | — | New Jersey |
| 8 | Richard Cottrell | 60 | Lodger | Carter | New Jersey |
| 9 | Hanford Mcrae | 49 | Head | Laborer | South Carolina |
| 10 | Ellen Mcrae | 48 | Wife | — | South Carolina |
| 11 | Joseph Mcrae | 20 | Son | — | South Carolina |
| 12 | Warren Mcrae | 19 | Son | — | South Carolina |
| 13 | Stanley Mcrae | 16 | Son | — | South Carolina |
| 14 | Eugene Mcrae | 14 | Son | — | New Jersey |
| 15 | Carl Mcrae | 12 | Son | — | New Jersey |
| 16 | Bernice Mcrae | 9 | Daughter | — | New Jersey |
| 17 | Beatrice Mcrae | 9 | Daughter | — | New Jersey |
| 18 | Dennis Mcrae | 4 | Son | — | New Jersey |
| 19 | Donald Chambers | 9 | Grandson | — | New Jersey |
| 20 | Henry Davis | 45 | Head | Laborer | South Carolina |
| 21 | Idella Davis | 40 | Wife | — | South Carolina |
| 22 | Mary Davis | 18 | Daughter | — | South Carolina |
| 23 | Christine Davis | 15 | Daughter | — | New Jersey |
| 24 | Henry Davis | 14 | Son | — | New Jersey |
| 25 | Louise Davis THIS PERSON | 13 | Daughter | — | New Jersey |
| 26 | Dorothy Davis | 11 | Daughter | — | New Jersey |
| 27 | Samuel Davis | 8 | Son | — | New Jersey |
| 28 | Freddie Davis | 6 | Son | — | New Jersey |
| 29 | Arthur Davis | 3 | Son | — | New Jersey |
| 30 | Viola Davis | 0 | Daughter | — | New Jersey |
| 31 | James Powe | 58 | Head | Fireman | Louisiana |
| 32 | Katie Powe | 56 | Wife | — | Louisiana |
| 33 | John Powe | 30 | Son | Pin Boy | Louisiana |
| 34 | James Powe | 24 | Son | Waiter | Louisiana |
| 35 | Edward Powe | 8 | Son | — | New Jersey |
| 36 | Thomas Brown | 38 | Head | Laborer | South Carolina |
| 37 | Lucille Brown | 35 | Wife | — | South Carolina |
| 38 | George Brown | 58 | Head | Laborer | Georgia |
| 39 | Viola Brown | 47 | Wife | — | Georgia |
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)