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Francis Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hartford-County, Connecticut
Our Model Tree links this Francis Lewis across the 1930 and 1940 US Censuses in Hartford-County, Connecticut (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 8-person household.
Age 33
b. ~1907
Male
Son
Born: Vermont
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hartford-County, Connecticut |
| Surname | Lewis |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | Berlin |
| 1935 Residence (County) | Hartford |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Township / Ward | Berlin |
| Est. Birth Year | ~1907 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| John Lewis | Head | — | 72 | ~1868 |
| Lillian Lewis | Spouse | — | 61 | ~1879 |
| Elsie Lewis | Daughter | — | 5 | ~1935 |
| Marjorie Lewis | Daughter | — | 28 | ~1912 |
| Donald Lewis | Son | — | 28 | ~1912 |
| Francis Lewis | Son | — | 33 | ~1907 |
| Verne Lewis | Son | — | 30 | ~1910 |
| Calvin Lewis | Son | — | 7 | ~1933 |
Census Appearances
1930
Hartford, Connecticut
Son, age 23
Hartford, Connecticut · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Francis J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Quebec |
| Mother's Birthplace | Quebec |
| Occupation | Dairyman |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Hartford-County, Connecticut
Son, age 33
Hartford-County, Connecticut · implied b. ~1907 — 8 household members
| Surname | Lewis |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | Berlin |
| 1935 Residence (County) | Hartford |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Francis Lewis
Son · 1940 · age 33 · b. ~1907 · Connecticut
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Sibling
Elsie Lewis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verne Lewis
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Lewis
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Lewis
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Lewis
Sibling · 1940 · age 7
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 — Hartford-County, Connecticut
Open full size
1940 US Federal Census — Hartford-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00501-00134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Kogruck | 36 | Head | Isalond Lye Works | Connecticut |
| 2 | Mary Kogruck | 33 | Wife | Typist | New Jersey |
| 3 | Helen Kogruck | 39 | sister | Foot Press | Poland |
| 4 | Frank Kogruck | 33 | brother | Welding | Connecticut |
| 5 | Mary Kogruck | 20 | sister | Clerk | Connecticut |
| 6 | Francis Kogruck | 16 | sister | — | Connecticut |
| 7 | Morris Hinchliffe | 29 | Head | Assembler | Connecticut |
| 8 | Julia Hinchliffe | 29 | Wife | — | Connecticut |
| 9 | Robert Hinchliffe | 9 | Son | — | Connecticut |
| 10 | Joan Hinchliffe | 0 | Daughter | — | Connecticut |
| 11 | Samuel Reese | 35 | Head | Truck Driver | Connecticut |
| 12 | Maria Reese | 36 | Wife | — | Connecticut |
| 13 | Phyllis Reese | 14 | Daughter | — | Connecticut |
| 14 | Rosalie Reese | 11 | Daughter | — | Connecticut |
| 15 | Robert Reese | 10 | Son | — | Connecticut |
| 16 | Joan Reese | 8 | Daughter | — | Connecticut |
| 17 | James Reese | 6 | Son | — | Connecticut |
| 18 | John Reese | 3 | Son | — | Connecticut |
| 19 | Phillip Black | 54 | Head | Foreman | Connecticut |
| 20 | Estella Black | 47 | Wife | — | Connecticut |
| 21 | Phillip Black | 16 | Son | — | Connecticut |
| 22 | Gloria Black | 14 | Daughter | — | Connecticut |
| 23 | Barbara Black | 12 | Daughter | — | Connecticut |
| 24 | Estella Black | 9 | Daughter | — | Connecticut |
| 25 | Dora Bernier | 7 | Lodger | — | Connecticut |
| 26 | George Green | 70 | Head | Superintendent Of Printing | New Hampshire |
| 27 | Amelia Green | 75 | Wife | — | Connecticut |
| 28 | Carolyn M Bauer | 71 | Head | Do Not Operate Farm | Connecticut |
| 29 | Olive Bauer | 67 | sister | — | Connecticut |
| 30 | Pauline Bauer | 66 | sister | — | Connecticut |
| 31 | John Lewis | 72 | Head | Farming | Vermont |
| 32 | Lillian Lewis | 61 | Wife | Helper | Canada English |
| 33 | Francis Lewis THIS PERSON | 33 | Son | — | Vermont |
| 34 | Verne Lewis | 30 | Son | Director Recreation | Vermont |
| 35 | Donald Lewis | 28 | Son | Machinist | Vermont |
| 36 | Marjorie Lewis | 28 | Daughter | — | New York |
| 37 | Elsie Lewis | 5 | Daughter | — | New York |
| 38 | Calvin Lewis | 7 | Son | — | New York |
| 39 | Stanley Piltromski | 46 | Head | Plating Room | Poland |
| 40 | Mary Piltromski | 49 | Wife | — | Poland |
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)