FD
Francis Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Francis Davis across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Davis |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1925 |
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 Francis | Age | Birth yr |
|---|---|---|---|---|
| Jean Davis | Daughter | — | 6 | ~1934 |
| Joan Davis | Daughter | — | 9 | ~1931 |
| Margaret Davis | Daughter | — | 23 | ~1917 |
| Richard Davis | Head | — | 57 | ~1883 |
| Lawrence Stone | Other | — | 51 | ~1889 |
| Paul Davis | Son | — | 18 | ~1922 |
| Francis Davis | Son | — | 15 | ~1925 |
| Richard Davis | Son | — | 26 | ~1914 |
| Charles Davis | Son | — | 22 | ~1918 |
| Ada Davis | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Russia |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 15
Suffolk-County, Massachusetts · implied b. ~1925 — 10 household members
| Surname | Davis |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 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 Francis Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Francis Davis
Son · 1940 · age 15 · b. ~1925 · Massachusetts
★ You are viewing this record
Sibling
Charles Davis
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Davis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Davis
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Davis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Davis
Sibling · 1940 · age 23
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01682-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ralph Cugini | 21 | Son | News Worker | Massachusetts |
| 42 | Anthony Cugini | 19 | Son | 80 | Massachusetts |
| 43 | Daniel Cugini | 16 | Son | — | Massachusetts |
| 44 | Virginia Cugini | 14 | Daughter | — | Massachusetts |
| 45 | James Cugini | 12 | Son | — | Massachusetts |
| 46 | John Giblin | 49 | Head | Laborer | New York |
| 47 | Ellen Giblin | 47 | Wife | — | Ireland |
| 48 | Alfred Yannacci | 42 | Head | Shoemaker | Italy |
| 49 | Clara Yannacci | 37 | Wife | — | Italy |
| 50 | Joseph Yannacci | 17 | Son | — | Massachusetts |
| 51 | Mary Yannacci | 16 | Son | — | Massachusetts |
| 52 | Anna G. Smith | 40 | Head | — | Massachusetts |
| 53 | Dorothy L. Smith | 19 | Daughter | Stenographer | Massachusetts |
| 54 | Annie Smith | 75 | Mother | — | Ireland |
| 55 | Theresa Berry | 37 | Head | — | Massachusetts |
| 56 | Gwendolyn Berry | 14 | Daughter | — | Massachusetts |
| 57 | Eunice Berry | 13 | Daughter | — | Massachusetts |
| 58 | Sadie D. Koven | 43 | Head | Proprietor | Russia |
| 59 | Lillian D. Koven | 19 | Daughter | Sales Girl | Massachusetts |
| 60 | Estelle R. Koven | 18 | Daughter | — | Massachusetts |
| 61 | Alan S. Koven | 16 | Son | — | Massachusetts |
| 62 | Katherine Dowd | 47 | Head | Operator | Massachusetts |
| 63 | Phyllis M. Dowd | 17 | Daughter | Typist | Massachusetts |
| 64 | Richard B. Davis | 57 | Head | Inspector | Massachusetts |
| 65 | Ada M. Davis | 46 | Wife | — | Canada |
| 66 | Richard Jr. Davis | 26 | Son | Laborer | Massachusetts |
| 67 | Margaret C. Davis | 23 | Daughter | Typist | Massachusetts |
| 68 | Charles Davis | 22 | Son | Butcher | Massachusetts |
| 69 | Paul C. Davis | 18 | Son | Laborer | Massachusetts |
| 70 | Francis Davis THIS PERSON | 15 | Son | — | Massachusetts |
| 71 | Joan Davis | 9 | Daughter | — | Massachusetts |
| 72 | Jean Davis | 6 | Daughter | — | Massachusetts |
| 73 | Lawrence Stone | 51 | Lodger | Doctor | Michigan |
| 74 | George J. Maitland | 39 | Head | Assistant Book | Massachusetts |
| 75 | Margaret Maitland | 38 | Wife | — | Massachusetts |
| 76 | Mary Maitland | 13 | Daughter | — | Massachusetts |
| 77 | Rita Maitland | 8 | Daughter | — | Massachusetts |
| 78 | John Maitland | 73 | Father | — | Scotland |
| 79 | Catherine V. Mitchell | 55 | Head | — | Massachusetts |
| 80 | Margaret L. Mitchell | 30 | Daughter | Bookkeeper | 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)