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Jane Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Jane Davis across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Davis |
| Given Name | Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Winchester |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Winchester |
| Est. Birth Year | ~1924 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jane | Age | Birth yr |
|---|---|---|---|---|
| Marion Davis | Daughter | — | 19 | ~1921 |
| Mabel Davis | Other | — | 34 | ~1906 |
| Ruth Davis | Daughter | — | 9 | ~1931 |
| Eleanor Davis | Daughter | — | 26 | ~1914 |
| Jane Davis | Daughter | — | 16 | ~1924 |
| Douglas Davis | Son | — | 13 | ~1927 |
| Henry Davis | Head | — | 56 | ~1884 |
| Allen Davis | Son | — | 12 | ~1928 |
| Mildred Davis | Spouse | — | 52 | ~1888 |
| Russell Davis | Son | — | 27 | ~1913 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 6
Middlesex, Massachusetts · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Josephine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 16
Middlesex-County, Massachusetts · implied b. ~1924 — 10 household members
| Surname | Davis |
| Given Name | Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Winchester |
| 1935 Residence (County) | Middlesex |
| Highest Grade | H 3 |
| 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 Jane Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jane Davis
Daughter · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Russell Davis
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Davis
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Davis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Davis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Davis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01622-00296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Howard King | 40 | Head | Accountant | Massachusetts |
| 42 | Jane R. King | 35 | Wife | — | Massachusetts |
| 43 | Joseph R. King | 17 | Son | — | Massachusetts |
| 44 | Andrew King | 13 | Son | — | Massachusetts |
| 45 | Nancy King | 10 | Daughter | — | Massachusetts |
| 46 | Joseph A. Dolben | 60 | Head | Merchant | Massachusetts |
| 47 | Clara C. Dolben | 58 | Wife | — | Massachusetts |
| 48 | Joseph Dolben | 25 | Son | Merchant | Massachusetts |
| 49 | Ruth C. Dolben | 22 | Daughter | Teacher | Massachusetts |
| 50 | Betty Dolben | 16 | Daughter | — | Massachusetts |
| 51 | Robert Dolben | 13 | Son | — | Massachusetts |
| 52 | John Dolben | 12 | Son | — | Massachusetts |
| 53 | Louis Joyce | 61 | Head | — | Massachusetts |
| 54 | Helen Q. Joyce | 30 | Wife | — | Massachusetts |
| 55 | Richard Joyce | 28 | Son | Broker | Massachusetts |
| 56 | Claire Joyce | 19 | Daughter | — | Massachusetts |
| 57 | Janet Joyce | 17 | Daughter | — | Massachusetts |
| 58 | Philip Woodward | 34 | Head | Attorney | New Hampshire |
| 59 | Sarah S. Woodward | 29 | Wife | — | Massachusetts |
| 60 | Sarah Copeland | 60 | Mother-in-law | — | California |
| 61 | Stephen Guild | 24 | Nephew | Copywriter | Massachusetts |
| 62 | Sarah Jane Woodward | 58 | Aunt | — | Massachusetts |
| 63 | Bettie Woodward | 17 | Cousin | — | Massachusetts |
| 64 | O. Kelley Anderson | 32 | Head | President | Iowa |
| 65 | Alma Anderson | 31 | Wife | — | Massachusetts |
| 66 | O. Kelley Anderson | 3 | Son | — | Massachusetts |
| 67 | Alston Anderson | 2 | Daughter | — | Massachusetts |
| 68 | Gerald Anderson | 1 | Son | — | Massachusetts |
| 69 | Joseph Monteith | 35 | Handy man | Handyman | Massachusetts |
| 70 | Margaret Monteith | 30 | Maid | Maid | Massachusetts |
| 71 | Henry Davis | 56 | Head | Manufacturer | Massachusetts |
| 72 | Mildred Davis | 52 | Wife | — | Massachusetts |
| 73 | Eleanor Davis | 26 | Daughter | — | Massachusetts |
| 74 | Jane Davis THIS PERSON | 16 | Daughter | — | Massachusetts |
| 75 | Russell Davis | 27 | Son | Salesman | New Hampshire |
| 76 | Mabel Davis | 34 | Daughter-in-law | — | New Hampshire |
| 77 | Marion Davis | 19 | Daughter | — | Massachusetts |
| 78 | Douglas Davis | 13 | Son | — | Massachusetts |
| 79 | Allen Davis | 12 | Son | — | Massachusetts |
| 80 | Ruth Davis | 9 | Daughter | — | 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)