JL
James Lawrence — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Lawrence across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 7-person household.
Age 59
b. ~1881
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Lawrence |
| Given Name | James T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Everett |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Everett |
| Est. Birth Year | ~1881 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Mary Lawrence | Daughter | — | 17 | ~1923 |
| James Lawrence | Head | — | 59 | ~1881 |
| Richard Lawrence | Son | — | 22 | ~1918 |
| Gerald Lawrence | Son | — | 14 | ~1926 |
| Herbert Lawrence | Son | — | 20 | ~1920 |
| Arthur Lawrence | Son | — | 19 | ~1921 |
| Lucy Lawrence | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 39
Suffolk, Massachusetts · implied b. ~1881 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Engineer |
| Industry | Stationary |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Head, age 48
Middlesex, Massachusetts · implied b. ~1882 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | James T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 27 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Engineer |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 3000 |
| Veteran | No |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Head, age 59
Middlesex-County, Massachusetts · implied b. ~1881 — 7 household members
| Surname | Lawrence |
| Given Name | James T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Everett |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 James Lawrence across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Lawrence
Head · 1940 · age 59 · b. ~1881 · Massachusetts
★ 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01604-00706)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Loretta Mahan | 5 | Daughter | — | Massachusetts |
| 2 | Earl H Delano | 36 | Head | Chauffeur | Canada-English |
| 3 | Marguerite D Delano | 39 | Wife | — | Canada-English |
| 4 | Earl Delano | 16 | Son | — | Canada-English |
| 5 | Dorothy Delano | 14 | Daughter | — | Massachusetts |
| 6 | Mary Delano | 13 | Daughter | — | Massachusetts |
| 7 | Joan Delano | 8 | Daughter | — | Massachusetts |
| 8 | Franklin Delano | 5 | Son | — | Massachusetts |
| 9 | Ernest N Lewis | 41 | Head | Chauffeur | Massachusetts |
| 10 | Rosalie D Lewis | 38 | Wife | — | Nova Scotia |
| 11 | Marie Lewis | 13 | Daughter | — | Nova Scotia |
| 12 | Ernest Nickerson | 40 | Lodger | Laborer | Nova Scotia |
| 13 | Margaret Dupont | 44 | Head | — | Massachusetts |
| 14 | Charles Dupont | 26 | Son | Salesman | Massachusetts |
| 15 | George Dupont | 21 | Son | Attendant | Massachusetts |
| 16 | Lillian Dupont | 17 | Daughter | New Worker | Massachusetts |
| 17 | Charles P Rileigh | 74 | Father | — | Northern Ireland |
| 18 | Sabina D Pais | 60 | Head | Chocolate Dipper | Portugal |
| 19 | Joseph A Pais | 26 | Son | Mechanic | Massachusetts |
| 20 | Helen R Pais | 34 | Daughter | Stenographer | Massachusetts |
| 21 | Mary D Perry | 78 | Head | — | Connecticut |
| 22 | Muriel C Perry | 37 | Daughter | Assistant Librarian | Massachusetts |
| 23 | John P Corrigan | 64 | Lodger | Hospital Attendant | New York |
| 24 | Alexander Ross | 56 | Head | Order Clerk | Scotland |
| 25 | Elsie D Ross | 61 | Wife | — | Newfoundland |
| 26 | Grant S Ross | 18 | Son | — | Newfoundland |
| 27 | Philip Breen | 59 | Head | Carpenter | Canada-English |
| 28 | Julia D Breen | 59 | Wife | — | Canada-English |
| 29 | Elinor Breen | 25 | Daughter | Stenographer | Massachusetts |
| 30 | Dorothy Breen | 23 | Daughter | Record Clerk | Massachusetts |
| 31 | James T Lawrence THIS PERSON | 59 | Head | — | Maine |
| 32 | Lucy D Lawrence | 57 | Wife | — | Canada-English |
| 33 | Richard Lawrence | 22 | Son | Truck Driver | Massachusetts |
| 34 | Herbert Lawrence | 20 | Son | New Worker | Massachusetts |
| 35 | Arthur Lawrence | 19 | Son | New Worker | Massachusetts |
| 36 | Mary Lawrence | 17 | Daughter | — | Massachusetts |
| 37 | Gerald Lawrence | 14 | Son | — | Massachusetts |
| 38 | Isabelle D Owen | 33 | Head | File Clerk | Newfoundland |
| 39 | Setina D Rotellini | 33 | Head | — | Italy |
| 40 | Shirley Rotellini | 13 | Daughter | — | Michigan |
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)