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Robert Lawrence — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Lawrence across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 9-person household.
Age 26
b. ~1914
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Lawrence |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | NEWTON |
| 1935 Residence (County) | MIDDLESEX |
| Additional Details | |
| Occupation | Lawyer |
| Industry | F. B. I. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 3200 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Lawyer |
| Township / Ward | Newton |
| Est. Birth Year | ~1914 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Howard Lawrence | Head | — | 62 | ~1878 |
| Robert Lawrence | Son | — | 26 | ~1914 |
| Helene Lawrence | Spouse | — | 53 | ~1887 |
| Paul Lawrence | Son | — | 11 | ~1929 |
| David Lawrence | Son | — | 15 | ~1925 |
| Ellsworth Lawrence | Son | — | 31 | ~1909 |
| Howard Lawrence | Son | — | 22 | ~1918 |
| Donald Lawrence | Son | — | 19 | ~1921 |
| Catherine Lawrence | Daughter | — | 32 | ~1908 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Texas |
| Mother's Birthplace | Vermont |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Middlesex-County, Massachusetts
Son, age 26
Middlesex-County, Massachusetts · implied b. ~1914 — 9 household members
| Surname | Lawrence |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | NEWTON |
| 1935 Residence (County) | MIDDLESEX |
| Occupation | Lawyer |
| Industry | F. B. I. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 3200 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Robert Lawrence across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lawrence
Son · 1940 · age 26 · b. ~1914 · Massachusetts
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Sibling
Howard Lawrence
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Lawrence
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Lawrence
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellsworth Lawrence
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Lawrence
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Lawrence
Sibling · 1940 · age 19
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 — 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-t0627-01614-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | E. R. Fern | 49 | Wife | — | Canada-English |
| 42 | Fred W. Fern | 22 | Son | Elevator Operator | Mass |
| 43 | Sylvia Stannard | 33 | Head | Teacher | Mass |
| 44 | Marjorie R. Stannard | 35 | Wife | — | Colorado |
| 45 | Bent. H. Leighton | 51 | Head | Ch. Science Practitioner | Maine |
| 46 | Helen L. Leighton | 50 | Wife | — | Michigan |
| 47 | Howard Lawrence | 62 | Head | Dentist | Texas |
| 48 | Helene Lawrence | 53 | Wife | — | Vermont |
| 49 | Catherine Lawrence | 32 | Daughter | — | Vermont |
| 50 | Ellsworth Lawrence | 31 | Son | Ad. Manager | New Hampshire |
| 51 | Robert Lawrence THIS PERSON | 26 | Son | Lawyer | New Hampshire |
| 52 | Howard Jr. Lawrence | 22 | Son | Ass'T Chef | New Hampshire |
| 53 | Donald Lawrence | 19 | Son | — | New Hampshire |
| 54 | David Lawrence | 15 | Son | — | New Hampshire |
| 55 | Paul Lawrence | 11 | Son | — | Mass |
| 56 | Francis J. Murphy | 39 | Head | Manager | Mass |
| 57 | Eleanor Murphy | 44 | Wife | — | Mass |
| 58 | Theresa Murphy | 36 | Sister | Secretary | Mass |
| 59 | Margaret Leighton | 59 | Head | Christian Sc. Practitioner | Maine |
| 60 | Stanley Warden | 58 | Brother | Salesman | Maine |
| 61 | Emma Warden | 53 | Sister | — | Maine |
| 62 | Winifred Warden | 22 | Niece | Secretary | Maine |
| 63 | Stanley Jr. Warden | 23 | Nephew | — | Maine |
| 64 | Margaret Briggs | 59 | Head | — | Mass |
| 65 | Sally B. Briggs | 50 | Sister | Social Worker | Mass |
| 66 | Alice K. Briggs | 80 | Mother | — | Mass |
| 67 | Thomas L. Parker | 49 | Head | Salesman | Maine |
| 68 | Marie Parker | 48 | Wife | — | Mass |
| 69 | Jane Parker | 19 | Daughter | — | Mass |
| 70 | William Parker | 17 | Son | — | Mass |
| 71 | Thomas F. Burke | 49 | Head | Manager | Mass |
| 72 | Margaret Burke | 37 | Wife | — | Mass |
| 73 | Muriel Burke | 16 | Daughter | — | Mass |
| 74 | Thomas Jr. Burke | 15 | Son | — | Mass |
| 75 | Catherine M. Lane | 40 | Servant | Domestic | Mass |
| 76 | Alex W. Yerance | 50 | Head | Clerk | New York |
| 77 | Edna Yerance | 46 | Wife | — | New Jersey |
| 78 | Jean Yerance | 19 | Dau | — | New Jersey |
| 79 | Donald C. Jewett | 49 | Head | Lawyer | Illinois |
| 80 | Mary S. Jewett | 45 | Wife | — | Mass |
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)