MJ
Marion Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Marion Jones across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 7-person household.
Age 44
b. ~1896
Female
Spouse
Born: Canada-English
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Jones |
| Given Name | Marion M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Canada-English |
| 1935 Residence (City) | Somerville (city) |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | canada-english |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1896 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Aris Jones | Daughter | — | 8 | ~1932 |
| Verna Jones | Daughter | — | 12 | ~1928 |
| George Jones | Head | — | 44 | ~1896 |
| Robert Jones | Son | — | 14 | ~1926 |
| Lloyd Jones | Son | — | 13 | ~1927 |
| Allan Jones | Son | — | 10 | ~1930 |
| Marion Jones | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 33
Suffolk, Massachusetts · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Muriel J. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Canada-English |
| Age at First Marriage | 1924 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Canada-English |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | canada-english |
1940
Middlesex-County, Massachusetts
Spouse, age 44
Middlesex-County, Massachusetts · implied b. ~1896 — 7 household members
| Surname | Jones |
| Given Name | Marion M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Canada-English |
| 1935 Residence (City) | Somerville (city) |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | canada-english |
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 Marion Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Jones
Spouse · 1940 · age 44 · b. ~1896 · 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-t0627-01705-00216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abbie T. Griffin | 52 | Wife | — | Eire |
| 2 | Margaret M. Griffin | 28 | Daughter | Nurse | Massachusetts |
| 3 | Mary A. Griffin | 26 | Daughter | Clerk | Massachusetts |
| 4 | Theresa A. Griffin | 24 | Daughter | Clerk | Massachusetts |
| 5 | Anna T. Griffin | 18 | Daughter | — | Massachusetts |
| 6 | James J. Griffin | 15 | Son | — | Massachusetts |
| 7 | Thomas J. Griffin | 34 | Nephew | Leather Handler | Eire |
| 8 | Mary Donovan | 86 | Boarder | — | Eire |
| 9 | John O. Niles | 56 | Head | Dentist | Massachusetts |
| 10 | Alice Niles | 52 | Wife | — | Massachusetts |
| 11 | Barbara C. Niles | 24 | Daughter | Librarian | Massachusetts |
| 12 | Paul H. Niles | 19 | Son | — | Massachusetts |
| 13 | Walter Southwick | 65 | Roomer | — | Massachusetts |
| 14 | — | None | — | — | — |
| 15 | Harold F. Mcintyre | 45 | Head | Plumber | Canada-English |
| 16 | Louis A. Mcintyre | 40 | Wife | — | Massachusetts |
| 17 | Doris Mcintyre | 21 | Daughter | — | Canada-English |
| 18 | Claritte Kaiser | 76 | Mother-in-law | — | Canada-English |
| 19 | George W. Jones | 44 | Head | Clerk | Canada-English |
| 20 | Marion M. Jones THIS PERSON | 44 | Wife | — | Canada-English |
| 21 | Robert F. C. Jones | 14 | Son | — | Massachusetts |
| 22 | Lloyd E. D. Jones | 13 | Son | — | Massachusetts |
| 23 | Verna E. H. Jones | 12 | Daughter | — | Massachusetts |
| 24 | Allan E. Jones | 10 | Son | — | Massachusetts |
| 25 | Aris Jones | 8 | Daughter | — | Massachusetts |
| 26 | Robert J. Frost | 74 | Head | Cashier | Canada-English |
| 27 | Charlotte Frost | 71 | Wife | — | Canada-English |
| 28 | Floyd Wentzel | 18 | Head | Laborer | Canada-English |
| 29 | Lillian Wentzel | 21 | Wife | — | Massachusetts |
| 30 | Joan Wentzel | 0 | Daughter | — | Massachusetts |
| 31 | John W. O'Connell | 60 | Head | Shipper | Eire |
| 32 | Mary X. O'Connell | 60 | Wife | — | Eire |
| 33 | Margaret O'Connell | 23 | Daughter | Clerk | Massachusetts |
| 34 | Elizabeth O'Connell | 61 | Sister | Dress Maker | Eire |
| 35 | Ida Anderson | 65 | Head | — | Canada-English |
| 36 | Dorothy Gould | 22 | Granddaughter | Adjuster | Massachusetts |
| 37 | William Grund | 50 | Head | Weigher | Michigan |
| 38 | Edith D. Grund | 52 | Wife | — | Massachusetts |
| 39 | Virginia Grund | 22 | Daughter | Typist | Massachusetts |
| 40 | Alden B. Grund | 16 | Son | — | Massachusetts |
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)