LD
Lillian Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Lillian Davis across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents William & Lillian — first a daughter (b.~1904), then head of a 6-person household.
Age 36
b. ~1904
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Davis |
| Given Name | Lillian H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Secretary |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1820 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Secretary |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1904 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Lillian Davis | Daughter | — | 36 | ~1904 |
| Mary Davis | Daughter | — | 23 | ~1917 |
| Anna Davis | Daughter | — | 41 | ~1899 |
| Jacqueline Davis | Daughter | — | 5 | ~1935 |
| Lillian Davis | Head | — | 60 | ~1880 |
| Jacqueline Davis | Other | — | 26 | ~1914 |
Census Appearances
1920
Mercer, New …
Daughter, age 16
Mercer, New Jersey · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lillian H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Daughter, age 26
Mercer, New Jersey · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lillian H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stenographer |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Daughter, age 36
Mercer-County, New Jersey · implied b. ~1904 — 6 household members
| Surname | Davis |
| Given Name | Lillian H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Secretary |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1820 |
| 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 Lillian Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Davis (~0.92 confidence) and mother Lillian Davis (~0.92 confidence) and mother Lillian Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Davis
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lillian Davis
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Lillian Davis
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Davis
Daughter · 1940 · age 36 · b. ~1904 · New Jersey
★ You are viewing this record
Sibling
Anna Davis
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacqueline Davis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Davis
Sibling · 1940 · age 23
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-t0627-02436-00098)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lillian Davis | 60 | Head | — | Pennsylvania |
| 42 | Anna L. Davis | 41 | Daughter | — | Pennsylvania |
| 43 | Lillian H. Davis THIS PERSON | 36 | Daughter | Secretary | New Jersey |
| 44 | Jacqueline Davis | 26 | Lod | Clerk | New Jersey |
| 45 | Mary Davis | 23 | Daughter | Checker | New Jersey |
| 46 | Jacqueline Davis | 5 | Daughter | — | New Jersey |
| 47 | Joseph Bonsall | 60 | Head | Tool Maker | Pennsylvania |
| 48 | Margaret Bonsall | 49 | Wife | — | New Jersey |
| 49 | John Bonsall | 18 | Son | — | New Jersey |
| 50 | Katherine Kruger | 53 | Head | Bookkeeper | New Jersey |
| 51 | Dorothy M. Kruger | 27 | Daughter | Stenographer | New Jersey |
| 52 | Millard Chambers | 49 | Head | Salesman | New Jersey |
| 53 | Emily Chambers | 47 | Wife | — | Pennsylvania |
| 54 | Millard Chambers | 23 | Son | Steel Worker | New Jersey |
| 55 | Louise Chambers | 21 | Daughter | Nurse | Pennsylvania |
| 56 | James Chambers | 19 | Son | — | New Jersey |
| 57 | Bradley Maxwell | 24 | Son-in-law | Engineer | New York |
| 58 | Caroline Maxwell | 26 | Daughter | Stenographer | Pennsylvania |
| 59 | Joseph Sr. Schroeder | 46 | Head | Salesman | New Jersey |
| 60 | Mary Schroeder | 47 | Wife | — | New Jersey |
| 61 | Joseph Jr. Schroeder | 15 | Son | — | New Jersey |
| 62 | William Schroeder | 13 | Son | — | New Jersey |
| 63 | Jennie Urken | 51 | Head | President | Russia |
| 64 | Karl Urken | 27 | Son | Manager | New Jersey |
| 65 | Pauline Urken | 24 | Daughter | Buyer | New Jersey |
| 66 | Maude Whittaker | 57 | Head | — | England |
| 67 | Russell Whittaker | 35 | Son | Clerk | New Jersey |
| 68 | Joseph C. Alexander | 25 | Son-in-law | Truck Driver | New Jersey |
| 69 | Bernette Alexander | 27 | Daughter | — | New Jersey |
| 70 | Margaret Hartman | 75 | Head | — | New Jersey |
| 71 | Mildred Hartman | 43 | Daughter | Secretary | New Jersey |
| 72 | Edward Hogue | 44 | Head | Accountant | New Jersey |
| 73 | Elsa Hogue | 36 | Wife | — | New Jersey |
| 74 | Patricia Hogue | 8 | Daughter | — | New Jersey |
| 75 | John Raimondi | 36 | Head | Proprietor | New Jersey |
| 76 | Pauline Raimondi | 25 | Wife | — | Pennsylvania |
| 77 | Mary Raimondi | 6 | Daughter | — | New Jersey |
| 78 | Clinton De Witt | 24 | Lodger | Presser | New Jersey |
| 79 | Mary De Witt | 23 | Lodger | Seamstress | Pennsylvania |
| 80 | Frank Otis | 49 | Head | Blacksmith | New Jersey |
Pedigree Summary
Lillian + 3 siblings
Gen 1 · 3 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)