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Mary Bell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Mary Bell across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 2-person household.
Age 71
b. ~1869
Female
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Bell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1869 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Monica Bell | Daughter | — | 32 | ~1908 |
| Mary Bell | Head | — | 71 | ~1869 |
Census Appearances
1920
Essex, Massachusetts
Head, age 48
Essex, Massachusetts · implied b. ~1872 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | England |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | England |
| Year of Naturalization | 1891 |
| Birthplace (normalized) | england |
1930
Essex, Massachusetts
Head, age 61
Essex, Massachusetts · implied b. ~1869 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 20 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Essex-County, Massachusetts
Head, age 71
Essex-County, Massachusetts · implied b. ~1869 — 2 household members
| Surname | Bell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Highest Grade | No 6 |
| 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 Bell 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 Bell
Head · 1940 · age 71 · b. ~1869 · 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-t0627-01583-00941)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Virginia Cronin | 15 | Niece | — | Massachusetts |
| 42 | Leland H. Moore | 44 | Head | Deputy Collector | Maine |
| 43 | Jessie A. Moore | 54 | Wife | — | Nova Scotia |
| 44 | Hester Eastman | 55 | Head | Insurance | Massachusetts |
| 45 | Rachael Eastman | 43 | Wife | — | Massachusetts |
| 47 | Frank Welch | 46 | Head | Steamfitter | Massachusetts |
| 48 | Claire Welch | 19 | Daughter | — | Massachusetts |
| 49 | Francis Welch | 17 | Son | — | Massachusetts |
| 50 | Mary Bell THIS PERSON | 71 | Head | — | England |
| 51 | Monica Bell | 32 | Daughter | Spooler | Massachusetts |
| 52 | Joseph Evans | 58 | Head | Fireman | England |
| 53 | Carrie Evans | 52 | Wife | — | Rhode Island |
| 54 | Joseph Kennedy | 45 | Head | Proprietor | Massachusetts |
| 55 | Mary Kennedy | 40 | Wife | — | Massachusetts |
| 56 | Madeline Kennedy | 15 | Daughter | Bookkeeper | Massachusetts |
| 57 | Patricia Kennedy | 14 | Daughter | — | Massachusetts |
| 58 | Sam Wolff | 50 | Head | Proprietor | Russia |
| 59 | Rae Wolff | 49 | Wife | — | Russia |
| 60 | Harold Wolff | 27 | Son | — | Massachusetts |
| 61 | Sidney Wolff | 25 | Son | Clerk | Massachusetts |
| 62 | Eileen Wolff | 13 | Daughter | — | Massachusetts |
| 63 | Albert Harvey | 51 | Head | Carpenter | England |
| 64 | Lucy Harvey | 50 | Wife | — | England |
| 65 | Janice Harvey | 11 | Daughter | — | Massachusetts |
| 66 | Alvin Harvey | 16 | Son | — | Massachusetts |
| 67 | James Moore | 52 | Head | Letter Carrier | Massachusetts |
| 68 | Isabel Moore | 51 | Wife | Mender | Massachusetts |
| 69 | Isabel Moore | 25 | Daughter | — | Massachusetts |
| 70 | Annie E. Mcquade | 73 | Head | — | Massachusetts |
| 71 | Catherine Mcquade | 45 | Daughter | Burler | Massachusetts |
| 72 | Thomas Mcquade | 45 | Son | Police Officer | Massachusetts |
| 73 | Augustine Mcquade | 42 | Son | Mill Hand | Massachusetts |
| 74 | Augusta Harlan | 75 | Sister | Burler | Massachusetts |
| 75 | Louis Miller | 60 | Head | Salesman | Massachusetts |
| 76 | Edith Miller | 52 | Wife | — | Massachusetts |
| 77 | Robert Young | 27 | Head | Printer | Massachusetts |
| 78 | Robert A. Young | 5 | Son | — | Massachusetts |
| 79 | Everett Young | 2 | Son | — | Massachusetts |
| 80 | Leo Bernardin | 47 | Head | Proprietor | Massachusetts |
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)