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Grace Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Grace Davis across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Harriet & William — first a spouse (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Davis |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Joan Davis | Daughter | — | 1 | ~1939 |
| Dorothy Davis | Daughter | — | 4 | ~1936 |
| William Davis | Head | — | 31 | ~1909 |
| William Davis | Son | — | 10 | ~1930 |
| Grace Davis | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Hudson, New …
Daughter, age 10
Hudson, New Jersey · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | Connecticut |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Daughter, age 20
Hudson, New Jersey · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | Connecticut |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Spouse, age 31
Hudson-County, New Jersey · implied b. ~1909 — 5 household members
| Surname | Davis |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Highest Grade | Hs 4 |
| 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 Grace Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Harriet Davis (~0.92 confidence) and father William Davis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Harriet Davis
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
William Davis
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
Grace Davis
Spouse · 1940 · age 31 · b. ~1909 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02406-00565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Johnny Vieira | 50 | Head | Checker | Eire |
| 2 | Elizabeth Vieira | 46 | Wife | — | England |
| 3 | Martha Vieira | 17 | Daughter | — | New Jersey |
| 4 | Charles Grafen | 73 | Head | — | Germany |
| 5 | Mary Grafen | 69 | Wife | — | Germany |
| 6 | Robert Gilmartin | 26 | Head | Driver | New Jersey |
| 7 | Gertrude Gilmartin | 24 | Wife | — | New Jersey |
| 8 | Mary R. Gilmartin | 2 | Daughter | — | New Jersey |
| 9 | Michael Mccallery | 27 | Head | Garage Mechanic | New Jersey |
| 10 | Mary Mccallery | 64 | Mother | — | Northern Ireland |
| 11 | Mary Mccallery | 25 | Sister | Machine Operator | New Jersey |
| 12 | Charles Campbell | 32 | Head | Driver | New Jersey |
| 13 | Dorothy Campbell | 33 | Wife | — | New Jersey |
| 14 | William Campbell | 13 | Son | — | New Jersey |
| 15 | William Davis | 31 | Head | Road Supervisor | New Jersey |
| 16 | Grace Davis THIS PERSON | 31 | Wife | — | New Jersey |
| 17 | William Jr. Davis | 10 | Son | — | New Jersey |
| 18 | Dorothy Davis | 4 | Daughter | — | New Jersey |
| 19 | Joan Davis | 1 | Daughter | — | New Jersey |
| 20 | William Sr. Cummings | 44 | Head | Dock Supervisor | New Jersey |
| 21 | Grace Cummings | 45 | Wife | — | New Jersey |
| 22 | Agnes Cummings | 23 | Daughter | Packer | New Jersey |
| 23 | Grace A. Cummings | 22 | Daughter | Stenographer | New Jersey |
| 24 | Eileen Cummings | 18 | Daughter | Stenographer | New Jersey |
| 25 | William Jr. Cummings | 16 | Son | — | New Jersey |
| 26 | William Sr. Maxwell | 81 | Father-in-law | — | New Jersey |
| 27 | Michael Kenny | 67 | Head | Shore Captain | Eire |
| 28 | James Kenny | 31 | Son | Ticket Clerk | New Jersey |
| 29 | Anna Kenny | 28 | Daughter | Book Binder | New Jersey |
| 30 | Bernard Wyman | 37 | Son-in-law | Deck Hand | New Jersey |
| 31 | Mary Wyman | 37 | Daughter | — | New Jersey |
| 32 | Marjorie Wyman | 16 | Granddaughter | — | New Jersey |
| 33 | John J. Denice | 36 | Head | City Fireman | New Jersey |
| 34 | Charlotte Denice | 36 | Wife | — | New Jersey |
| 35 | John Jr. Denice | 9 | Son | — | New Jersey |
| 36 | Diane A. Denice | 4 | Daughter | — | New Jersey |
| 37 | Walter R. Sweeney | 35 | Head | Meat Salesman | New Jersey |
| 38 | Regina Sweeney | 33 | Wife | — | New York |
| 39 | Robert Sweeney | 5 | Son | — | New Jersey |
| 40 | Ralph Cocco | 29 | Head | Electrician | Italy |
Pedigree Summary
Grace
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)