JL
Joseph Lawrence — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Joseph Lawrence across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Lawrence |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | City of Orange |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Plumber Helper |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 240 |
| Highest Grade | C 6 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Plumber Helper |
| Township / Ward | City Of Orange |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| John Lawrence | Head | — | 62 | ~1878 |
| Thomas Lawrence | Son | — | 32 | ~1908 |
| Mary Lawrence | Spouse | — | 59 | ~1881 |
| Rose Lawrence | Daughter | — | 21 | ~1919 |
| Eugene Lawrence | Son | — | 25 | ~1915 |
| Joseph Lawrence | Son | — | 30 | ~1910 |
| Helen Lawrence | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Essex, New …
Son, age 19
Essex, New Jersey · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | Joseph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Germany |
| Mother's Birthplace | New York |
| Occupation | Bookkeeper |
| Industry | Roof Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 30
Essex-County, New Jersey · implied b. ~1910 — 7 household members
| Surname | Lawrence |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | City of Orange |
| 1935 Residence (County) | Essex |
| Occupation | Plumber Helper |
| Industry | Contractor |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 240 |
| Highest Grade | C 6 |
| 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 Joseph Lawrence across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Lawrence
Son · 1940 · age 30 · b. ~1910 · New Jersey
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Sibling
Eugene Lawrence
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Lawrence
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Lawrence
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lawrence
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02339-00720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elise Wachenfeld | 6 | Daughter | — | New Jersey |
| 2 | Charles Weir | 34 | Brother-in-law | Deputy Collector | New Jersey |
| 3 | Frances Gluck | 68 | Servant | Governess | Switzerland |
| 4 | Giuseppe De Felice | 30 | Head | Artist-Designer | Italy |
| 5 | Clementina De Felice | 66 | Wife | — | Italy |
| 6 | Louis De Felice | 42 | Son | Mechanic | Italy |
| 7 | John S. Byrne | 60 | Head | Editor-Columnist | Pennsylvania |
| 8 | Martha Byrne | 51 | Wife | — | New Jersey |
| 9 | Roy F. Byrne | 25 | Son | Secretary | Pennsylvania |
| 10 | Marjorie T. March | 49 | Head | Secretary | New Jersey |
| 11 | Carolyn March | 43 | Sister | Office Manager | New Jersey |
| 12 | Helen F. March | 40 | Sister | Secretary | New Jersey |
| 13 | Mary Flanagan | 32 | Servant | Maid | Eire |
| 14 | Wallace W. Boyce | 40 | Head | Salesman | New Jersey |
| 15 | Elsie B. Boyce | 42 | Wife | — | New York |
| 16 | Wallace W. Boyce | 13 | Son | — | New Jersey |
| 17 | Manila Franklin | 38 | Servant | Maid | Maryland |
| 18 | Daniel J. Brennan | 50 | Head | Judge | New Jersey |
| 19 | Florence R. Brennan | 48 | Wife | — | Conn. |
| 20 | Daniel J. Jr. Brennan | 17 | Son | — | New Jersey |
| 21 | Florence C. Brennan | 15 | Daughter | — | New Jersey |
| 22 | Mary P. Brennan | 9 | Daughter | — | New Jersey |
| 23 | Thomas Amis | 69 | Head | Accountant | England |
| 24 | Mellia Amis | 66 | Wife | — | New Jersey |
| 25 | Paul M. Hinkhouse | 47 | Head | Editor | Iowa |
| 26 | Uretta C. Hinkhouse | 46 | Wife | — | New Jersey |
| 27 | Clarence J. Alfred | 64 | Head | Office Manager | New York |
| 28 | Elizabeth Alfred | 62 | Wife | — | Minnesota |
| 29 | Marion I. Alfred | 24 | Daughter | — | Wisconsin |
| 30 | John Lawrence | 62 | Head | Plumber Laborer | Ireland-North |
| 31 | Mary Lawrence | 59 | Wife | — | Scotland |
| 32 | Thomas L. Lawrence | 32 | Son | Supervisor | New Jersey |
| 33 | Joseph Lawrence THIS PERSON | 30 | Son | Plumber Helper | New Jersey |
| 34 | Eugene Lawrence | 25 | Son | Warehouseman | New Jersey |
| 35 | Rose Lawrence | 21 | Daughter | — | New Jersey |
| 36 | Helen Lawrence | 19 | Daughter | Clerk | New Jersey |
| 37 | Charles Tischman | 50 | Head | Butcher | Hungary |
| 38 | Selma Tischman | 23 | Daughter | Stenographer | New Jersey |
| 39 | Sidney Tischman | 13 | Son | — | 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)