ML
Mary Lord — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Lord across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 4-person household.
Age 52
b. ~1888
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Lord |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Lynn |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | City Of Lynn |
| Est. Birth Year | ~1888 |
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 |
|---|---|---|---|---|
| Harry Lord | Son | — | 20 | ~1920 |
| Harry Lord | Head | — | 52 | ~1888 |
| George Lord | Son | — | 27 | ~1913 |
| Mary Lord | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Essex, Massachusetts
Spouse, age 41
Essex, Massachusetts · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lord |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Spouse, age 52
Essex-County, Massachusetts · implied b. ~1888 — 4 household members
| Surname | Lord |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Lynn |
| 1935 Residence (County) | Essex |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 52 · b. ~1888 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01696-00606)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Barron | 70 | Head | — | Ireland |
| 42 | Nellie Hayes | 63 | Sister | Stenographer | Massachusetts |
| 43 | Bernard B. Fuller | 51 | Head | Salesman | Massachusetts |
| 44 | Gertrude Fuller | 49 | Wife | — | Massachusetts |
| 45 | Clayton Fuller | 24 | Son | Booker | Massachusetts |
| 46 | Bernard Fuller | 18 | Son | — | Massachusetts |
| 47 | Lawrence Haggerty | 29 | Head | Bakery Prof | Massachusetts |
| 48 | Edith Haggerty | 33 | Wife | Salesclerk | Massachusetts |
| 49 | Alice Haggerty | 61 | Mother | — | Massachusetts |
| 50 | Bernard Gunnarson | 31 | Boarder | Bakery Prof | Massachusetts |
| 51 | Andrew Smith | 70 | Head | Machinist | Scotland |
| 52 | Anna Smith | 66 | Wife | — | Maine |
| 53 | Albert Fitzgerald | 34 | Head | Repair Shop | Massachusetts |
| 54 | Eileen Fitzgerald | 32 | Wife | — | Massachusetts |
| 55 | Eileen Fitzgerald | 4 | Daughter | — | Massachusetts |
| 56 | Lena Andrews | 70 | Head | — | England |
| 57 | Barbara Andrews | 20 | Granddaughter | Electrician | Massachusetts |
| 58 | Alice Craig | 81 | Boarder | — | England |
| 59 | Harry S. Lord | 52 | Head | Lens Maker | Massachusetts |
| 60 | Mary Lord THIS PERSON | 52 | Wife | — | Massachusetts |
| 61 | George Lord | 27 | Son | — | Massachusetts |
| 62 | Harry Lord | 20 | Son | Apprentice | Massachusetts |
| 63 | Henry Goodman | 26 | Head | Book-Keeper | Massachusetts |
| 64 | Marie Goodman | 24 | Wife | — | Massachusetts |
| 65 | Richard Goodman | 2 | Son | — | Massachusetts |
| 66 | Otis Dubois | 32 | Head | Supervisor | Massachusetts |
| 67 | Doris Dubois | 32 | Wife | — | Massachusetts |
| 68 | Ethel Dubois | 7 | Daughter | — | Massachusetts |
| 69 | Archie Steeves | 68 | Boarder | Laborer | Canada |
| 70 | Francis J. Mullen | 47 | Head | Fore Dept | Massachusetts |
| 71 | Margaret Mullen | 46 | Wife | — | New Hampshire |
| 72 | Haywood Mullen | 23 | Son | Magnet Maker | Massachusetts |
| 73 | J. Bernard Mullen | 19 | Son | Navy Sailor | Massachusetts |
| 74 | Michael J. Dacey | 79 | Head | — | Massachusetts |
| 75 | Richard Dacey | 40 | Son | Office Clerk | Massachusetts |
| 76 | Carl Whitney | 40 | Head | Pressman | Massachusetts |
| 77 | Charlotte Whitney | 32 | Wife | — | New Hampshire |
| 78 | Robert Whitney | 4 | Son | — | Massachusetts |
| 79 | Henry Whitney | 63 | Father | — | Pennsylvania |
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)