RD
Richard Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Richard Davis across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Bertland — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Davis |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Salesman |
| Industry | Publication |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | H-4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Carlisle |
| Est. Birth Year | ~1911 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Joan Davis | Daughter | — | 5 | ~1935 |
| Richard Davis | Head | — | 29 | ~1911 |
| Ruth Davis | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 7
Middlesex, Massachusetts · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 18
Middlesex, Massachusetts · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Stock Clerk |
| Industry | Clothing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 29
Middlesex-County, Massachusetts · implied b. ~1911 — 3 household members
| Surname | Davis |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Occupation | Salesman |
| Industry | Publication |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | H-4 |
| 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 Richard Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Davis (~0.92 confidence) and father Bertland Davis (~0.92 confidence) and mother Margaret Davis (~0.92 confidence) and mother Bertha Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Davis
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Bertland Davis
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Margaret Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Bertha Davis
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Davis
Head · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
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-t0627-01603-00600)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Onslow S. Dutton | 37 | Head | Laborer | Massachusetts |
| 42 | Abbie Dutton | 29 | Wife | — | Massachusetts |
| 43 | Donald Dutton | 4 | Son | — | Massachusetts |
| 44 | Nancy Dutton | 2 | Daughter | — | Massachusetts |
| 45 | Robert Dutton | 1 | Son | — | Massachusetts |
| 46 | Albert Belanger | 39 | Head | Sheet Metal Worker | Massachusetts |
| 47 | Alice Belanger | 39 | Wife | — | Canada French |
| 48 | Claire Belanger | 7 | Daughter | — | Massachusetts |
| 49 | Charles Belanger | 5 | Son | — | Massachusetts |
| 50 | Arthur Thibodeau | 45 | Lodger | Sheet Metal Worker | New Hampshire |
| 51 | Andrew Sorli | 69 | Head | Operator | Norway |
| 52 | Helga Sorli | 55 | Wife | — | Norway |
| 53 | Lawrence Sorli | 19 | Son | — | Massachusetts |
| 54 | Frederick Sharpe | 42 | Farm Hand | Farm Hand | Massachusetts |
| 55 | Mathias Peloquin | 56 | Head | Operator | Canada French |
| 56 | Ernestine Peloquin | 48 | Wife | — | Massachusetts |
| 57 | Virginia Camire | 75 | Mother-in-law | — | Canada French |
| 58 | Rosanna Peloquin | 53 | Sister | Housework | Canada French |
| 59 | George West | 65 | Head | Carpenter | Massachusetts |
| 60 | Charles Sorli | 38 | Head | Poultry Man | Norway |
| 61 | Esther Sorli | 34 | Wife | — | Massachusetts |
| 62 | Norma Sorli | 10 | Daughter | — | Massachusetts |
| 63 | Frank Benjamin | 19 | Farm Hand | Helper | Massachusetts |
| 64 | George Lewis | 77 | Head | Owner | Massachusetts |
| 65 | Alice Lewis | 67 | Wife | — | Massachusetts |
| 66 | George Towle | 40 | Head | Surgeon | New Hampshire |
| 67 | Phyllis Towle | 46 | Wife | — | Massachusetts |
| 68 | Elizabeth Towle | 13 | Daughter | — | Massachusetts |
| 69 | Louisa Towle | 10 | Daughter | — | Massachusetts |
| 70 | Carolyn Biggi | 75 | Mother-in-law | Mother'S Helper | Massachusetts |
| 71 | Thomas Gray | 43 | Head | Laborer | Massachusetts |
| 72 | Anna Gray | 45 | Wife | — | Massachusetts |
| 73 | Richard Davis THIS PERSON | 29 | Head | Salesman | Massachusetts |
| 74 | Ruth Davis | 33 | Wife | — | Massachusetts |
| 75 | Joan Davis | 5 | Daughter | — | Massachusetts |
| 76 | Charles E. Hastings | 67 | Head | — | Massachusetts |
| 77 | Mabel L. Hastings | 47 | Wife | — | New Hampshire |
| 78 | Herbert Hastings | 19 | Grandson | Painter | Massachusetts |
| 79 | Earl F. Hastings | 17 | Grandson | — | New Hampshire |
| 80 | Kenneth R. Seabury | 36 | Head | Laborer | Massachusetts |
Pedigree Summary
Richard
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)