MH
Mildred Hill — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Mildred Hill across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents David & Isaac — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Hill |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Trenton |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Trenton |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Isaac Hill | Head | — | 53 | ~1887 |
| Mildred Hill | Daughter | — | 25 | ~1915 |
| Leonard Hill | Son | — | 28 | ~1912 |
Census Appearances
1920
Mercer, New …
Daughter, age 10
Mercer, New Jersey · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Mercer, New …
Daughter, age 18
Mercer, New Jersey · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Mercer-County, New …
Daughter, age 25
Mercer-County, New Jersey · implied b. ~1915 — 3 household members
| Surname | Hill |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Trenton |
| 1935 Residence (County) | Mercer |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Mildred Hill across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Hill (~0.92 confidence) and father Isaac Hill (~0.92 confidence) and father Isaac Hill (~0.92 confidence) and mother Clara Hill (~0.92 confidence) and mother Clara Hill (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Hill
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Isaac Hill
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Isaac Hill
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Clara Hill
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Clara Hill
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Hill
Daughter · 1940 · age 25 · b. ~1915 · New Jersey
★ You are viewing this record
Sibling
Leonard Hill
Sibling · 1940 · age 28
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
40 people indexed on this census page (nara:1940:m-t0627-02437-00036)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice Congleton | 41 | Wife | — | New Jersey |
| 42 | Clara Congleton | 15 | Daughter | — | New Jersey |
| 43 | Clarence Congleton | 10 | Son | — | New Jersey |
| 44 | James E. Dey | 26 | Head | Electrition | New Jersey |
| 45 | Amber Rose Dey | 21 | Wife | — | Maine |
| 46 | Joseph Fileo | 37 | Head | Pressman | Pennsylvania |
| 47 | Nellie Fileo | 32 | Wife | — | Pennsylvania |
| 48 | Anthony Fileo | 15 | Son | — | Pennsylvania |
| 49 | Josephine Fileo | 10 | Daughter | — | New Jersey |
| 50 | Anna Taylor | 68 | Roomer | — | New Jersey |
| 51 | Henry Clark | 39 | Roomer | Wood Box Maker | South Carolina |
| 52 | Dominick Defoe | 31 | Roomer | Dye Press | New Jersey |
| 53 | Lewis J. Nolan | 53 | Head | Retail | New Jersey |
| 54 | Francis Nolan | 59 | Wife | — | New Jersey |
| 55 | Lewis Nolan | 23 | Son | — | New Jersey |
| 56 | Frank Nolan | 21 | Son | — | New Jersey |
| 57 | Grace Nolan | 20 | Daughter | Stenopher | New Jersey |
| 58 | Mary Nolan | 16 | Daughter | — | New Jersey |
| 59 | Thomas F. Nolan | 47 | Head | Private Business | New Jersey |
| 60 | Stella K. Nolan | 44 | Wife | — | New Jersey |
| 61 | Thomas J. Nolan | 23 | Son | — | New Jersey |
| 62 | Robert Nolan | 21 | Son | — | New Jersey |
| 63 | Martin Nolan | 20 | Son | — | New Jersey |
| 64 | Richard Nolan | 18 | Son | — | New Jersey |
| 65 | Robert O. Dunning | 45 | Head | Laborer | Missouri |
| 66 | Jessie Dunning | 46 | Wife | — | Miss |
| 67 | Hattie Johnson | 36 | Roomer | — | North Carolina |
| 68 | Mary Bolden | 57 | Head | Domestic | Florida |
| 69 | Ray J. Gadson | 39 | Son | Laborer | Florida |
| 70 | Rebecca Walker | 20 | Neice | Domestic | Florida |
| 71 | Isaac Hill | 53 | Head | Janitor | Pennsylvania |
| 72 | Leonard Hill | 28 | Son | Gen-Helper | Pennsylvania |
| 73 | Mildred Hill THIS PERSON | 25 | Daughter | — | Pennsylvania |
| 74 | Bertha Hill | 49 | Head | — | New Jersey |
| 75 | William Hill | 25 | Son | Laborer | New Jersey |
| 76 | Marion Hill | 17 | Daughter | Childs Nurse | New Jersey |
| 77 | Joseph Hill | 16 | Son | — | New Jersey |
| 78 | Alice Bridgewater | 41 | Head | — | New Jersey |
| 79 | Leona Bridgewater | 20 | Daughter | Domestic | New Jersey |
| 80 | Olive Bridgewater | 19 | Daughter | Housework | New Jersey |
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 5 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)