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Mary Lawrence — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Lawrence across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 13-person household.
Age 47
b. ~1893
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Lawrence |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Newton |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Newton |
| Est. Birth Year | ~1893 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Lawrence | Daughter | — | 15 | ~1925 |
| Betty Lawrence | Daughter | — | 13 | ~1927 |
| Joan Lawrence | Daughter | — | 26 | ~1914 |
| Olive Picone | Daughter | — | 27 | ~1913 |
| Marjorie Lawrence | Daughter | — | 20 | ~1920 |
| Rosalie Lawrence | Daughter | — | 18 | ~1922 |
| George Lawrence | Head | — | 57 | ~1883 |
| Stephen Picone | Other | — | 32 | ~1908 |
| Stephen Picone | Other | — | 2 | ~1938 |
| David Lawrence | Son | — | 10 | ~1930 |
| William Lawrence | Son | — | 11 | ~1929 |
| Leslie Lawrence | Son | — | 29 | ~1911 |
| Mary Lawrence | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 28
Middlesex, Massachusetts · implied b. ~1892 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | May |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Middlesex, Massachusetts
Spouse, age 37
Middlesex, Massachusetts · implied b. ~1893 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | May L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Alien |
| Year of Immigration | 1911 |
| Age at First Marriage | 17 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Middlesex-County, Massachusetts
Spouse, age 47
Middlesex-County, Massachusetts · implied b. ~1893 — 13 household members
| Surname | Lawrence |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Newton |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Mary Lawrence across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Lawrence
Spouse · 1940 · age 47 · b. ~1893 · Massachusetts
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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-t0627-01615-00491)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wendell Bauckman | 34 | Head | Leather | Mass |
| 2 | Marjorie E Bauckman | 34 | Wife | — | Mass |
| 3 | Richard Bauckman | 10 | Son | — | Mass |
| 4 | Theodore Bauckman | 8 | Son | — | Mass |
| 5 | Bessie Blanchard | 50 | Mother-in-law | Designer | Mass |
| 6 | George Lawrence | 57 | Head | Mechanic | England |
| 7 | Mary E Lawrence THIS PERSON | 47 | Wife | — | England |
| 8 | Leslie Lawrence | 29 | Son | Technician | England |
| 9 | Joan Lawrence | 26 | Daughter | Sewing | Mass |
| 10 | Marjorie Lawrence | 20 | Daughter | — | Mass |
| 11 | Rosalie Lawrence | 18 | Daughter | — | Mass |
| 12 | Ruth Lawrence | 15 | Daughter | — | Mass |
| 13 | Betty Lawrence | 13 | Daughter | — | Mass |
| 14 | William Lawrence | 11 | Son | — | Mass |
| 15 | David Lawrence | 10 | Son | — | Mass |
| 16 | Stephen Picone | 32 | Son-in-law | Cutter | Mass |
| 17 | Olive Picone | 27 | Daughter | — | Mass |
| 18 | Stephen Jr Picone | 2 | Grandson | — | Mass |
| 19 | Michael W Cannon | 79 | Head | — | Eire |
| 20 | Catherine E Cannon | 74 | Wife | — | Canada-English |
| 21 | Delia C Cannon | 47 | Daughter | Child'S Nurse | Mass |
| 22 | Joseph S Cannon | 39 | Son | Plasterer | Mass |
| 23 | Anthony C O'Connell | 45 | Son-in-law | Operator | Mass |
| 24 | Florence B O'Connell | 43 | Daughter | — | Mass |
| 25 | Marjorie A O'Connell | 21 | Granddaughter | Sales Lady | Mass |
| 26 | Fred O'Connell | 19 | Grandson | New Worker | Mass |
| 27 | William O'Connell | 17 | Grandson | — | Mass |
| 28 | Donald O'Connell | 14 | Grandson | — | Mass |
| 29 | Robert O'Connell | 10 | Grandson | — | Mass |
| 30 | James Philips | 45 | Head | Mixer | Mass |
| 31 | Blanche Philips | 47 | Wife | Matron | Pennsylvania |
| 32 | James Philips | 18 | Son | — | Mass |
| 33 | Bernard Philips | 16 | Son | — | Mass |
| 34 | Bridget Philips | 78 | Mother | — | Eire |
| 35 | Agnes Philips | 52 | Sister | — | Mass |
| 36 | Mary Philips | 42 | Sister | Corset Fitter | Mass |
| 37 | James Speros | 52 | Head | Fruit Dealer | Greece |
| 38 | Stella Speros | 40 | Wife | — | Greece |
| 39 | Helen Speros | 18 | Daughter | Waitress | Mass |
| 40 | Arthur Speros | 16 | Son | Salesman | Mass |
Related Census Records
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)