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Mary Lord — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Lord across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Lord |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Lord | Head | — | 44 | ~1896 |
| Kathleen Lord | Daughter | — | 20 | ~1920 |
| Mary Lord | Spouse | — | 40 | ~1900 |
| William Lord | Son | — | 17 | ~1923 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 30
Suffolk, Massachusetts · implied b. ~1900 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lord |
| Given Name | Mary E. |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 20 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 40
Suffolk-County, Massachusetts · implied b. ~1900 — 4 household members
| Surname | Lord |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Lord across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lord
Spouse · 1940 · age 40 · b. ~1900 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01667-00665)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martin Gibbons | 67 | Head | Laborer | Ireland |
| 42 | Ends Gibbons | 29 | Son | Laborer | Massachusetts |
| 43 | Alfred Nye | 29 | Head | Laborer | Arkansas |
| 44 | Dorothy Nye | 25 | Wife | — | Massachusetts |
| 45 | Gerald Nye | 5 | Son | — | Virginia |
| 46 | Dolores Nye | 3 | Daughter | — | Massachusetts |
| 47 | Lorraine Nye | 2 | Daughter | — | Massachusetts |
| 48 | Margaret Hutchinson | 57 | Head | — | Massachusetts |
| 49 | Francis Hutchinson | 24 | Son | Messenger | Massachusetts |
| 50 | Mary Anne Curran | 71 | Head | — | Canada English |
| 51 | Manuel Conchado | 58 | Head | Laborer | Canada English |
| 52 | Genevieve Conchado | 40 | Wife | Fireman | Canada English |
| 53 | Philip Conchado | 11 | Son | — | Massachusetts |
| 54 | Sarah Parker | 63 | Head | Seamstress | Scotland |
| 55 | Henry Helard | 27 | Head | Laborer | Texas |
| 56 | Ema Helard | 20 | Wife | — | Massachusetts |
| 57 | Emma M Helard | 4 | Daughter | — | Massachusetts |
| 58 | Hazel A Helard | 1 | Daughter | — | Massachusetts |
| 59 | James Green | 42 | Head | Janitor | North Carolina |
| 60 | Ora Green | 37 | Wife | — | South Carolina |
| 61 | Alberta Green | 17 | Daughter | — | South Carolina |
| 62 | Frances Green | 16 | Daughter | — | South Carolina |
| 63 | James Green | 13 | Son | — | South Carolina |
| 64 | Mary Green | 8 | Daughter | — | Massachusetts |
| 65 | John Green | 7 | Son | — | Massachusetts |
| 66 | Matilda Hartright | 58 | Head | — | North Carolina |
| 67 | William Hartright | 40 | Cousin | Driver'S Helper | North Carolina |
| 68 | William Lord | 44 | Head | Laborer | New York |
| 69 | Mary Lord THIS PERSON | 40 | Wife | — | Massachusetts |
| 70 | Kathleen Lord | 20 | Daughter | Waitress | Massachusetts |
| 71 | William Lord | 17 | Son | New Worker | Massachusetts |
| 72 | George Mathews | 72 | Head | Librarian | Massachusetts |
| 73 | Annie Mathews | 61 | Wife | — | Massachusetts |
| 74 | Walter Mathews | 24 | Son | Bus Boy | Massachusetts |
| 75 | Anna Reaves | 21 | Daughter | — | Massachusetts |
| 76 | Barbara Reaves | 3 | Granddaughter | — | Massachusetts |
| 77 | Daniel Mills | 70 | Head | — | Massachusetts |
| 78 | Gordon Robinson | 44 | Head | Underwriter | Massachusetts |
| 79 | Bertha Robinson | 43 | Wife | — | Maryland |
| 80 | Harold Alcorn | 71 | Head | Laborer | Georgia |
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)