SS
Sidney Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fairfield-County, Connecticut
Our Model Tree links this Sidney Smith across the 1920, 1930 and 1940 US Censuses in Fairfield-County, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 5-person household.
Age 75
b. ~1865
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfield-County, Connecticut |
| Surname | Smith |
| Given Name | Sidney |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Stratford |
| 1935 Residence (County) | Fairfield |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Stratford |
| Est. Birth Year | ~1865 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sidney | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Smith | Daughter | — | 52 | ~1888 |
| Dorothy Smith | Daughter | — | 50 | ~1890 |
| Sidney Smith | Head | — | 75 | ~1865 |
| Sidney Smith | Son | — | 48 | ~1892 |
| Amy Smith | Spouse | — | 75 | ~1865 |
Census Appearances
1920
Fairfield, Connecticut
Head, age 55
Fairfield, Connecticut · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sydney |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Mgr Cutter |
| Industry | Silver Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | England |
| Year of Naturalization | 1900 |
| Birthplace (normalized) | england |
1930
Fairfield, Connecticut
Head, age 65
Fairfield, Connecticut · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Sidney M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 22 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Die Cutter |
| Industry | Silver Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Fairfield-County, Connecticut
Head, age 75
Fairfield-County, Connecticut · implied b. ~1865 — 5 household members
| Surname | Smith |
| Given Name | Sidney |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Stratford |
| 1935 Residence (County) | Fairfield |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Sidney Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Sidney Smith
Head · 1940 · age 75 · b. ~1865 · Connecticut
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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 — Fairfield-County, Connecticut
Open full size
1940 US Federal Census — Fairfield-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00500-00818)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Victor Nitgoff | 24 | Son in law | Engineer | Russia |
| 2 | Margaret Nitgoff | 24 | Daughter | — | Conn |
| 3 | Victoria Nitgoff | 5 | Grand | — | Conn |
| 4 | James Sniffen | 33 | Head | Manager | Conn |
| 5 | Florence Sniffen | 30 | Wife | — | Conn |
| 6 | Llewellyn Hardham | 48 | Head | Oyster Man | New York |
| 7 | Alice Hardham | 48 | Wife | — | Conn |
| 8 | Dorothy Hardham | 22 | Daughter | Machine Operator | Conn |
| 9 | Calvin Hardham | 9 | Son | — | Conn |
| 10 | Joseph Castelot | 58 | Head | — | New York |
| 11 | Blanche Castelot | 52 | Mother | Laborer | Conn |
| 12 | Matthew Castelot | 41 | Brother | Laborer | Conn |
| 13 | Mae Castelot | 43 | In law | — | Conn |
| 14 | Matthew Castelot | 13 | Nephew | — | Conn |
| 15 | Theresa Castelot | 12 | Niece | — | Conn |
| 16 | John Castelot | 10 | Nephew | — | Conn |
| 17 | Mary Castelot | 2 | Niece | — | Conn |
| 18 | Lyle Butler | 46 | Head | Mechanic | New York |
| 19 | Isabelle Butler | 48 | Wife | — | Mass |
| 20 | Thomas Butler | 19 | Son | Laborer | New York |
| 21 | Robert Butler | 11 | Son | — | New York |
| 22 | Bruce Butler | 6 | Son | — | New York |
| 23 | Michael Leveko | 23 | Lodger | Laborer | Conn |
| 24 | John Pardoe | 43 | Head | Sales Agent | Scotland |
| 25 | Cornelia Pardoe | 39 | Wife | Clerk | Conn |
| 26 | Charlotte Meachen | 71 | Mother in law | — | Conn |
| 27 | Hannah Jones | 58 | Head | — | New York |
| 28 | George Standish | 61 | Brother | Service Man | New York |
| 29 | Alice Brotherton | 77 | Aunt | — | New York |
| 30 | Wilfred Lander | 34 | Head | Cable Splicer | England |
| 31 | Edith Lander | 40 | Wife | — | Conn |
| 32 | Frank Lester | 39 | Head | Clerk | Conn |
| 33 | Hazel Lester | 33 | Wife | Clerk | Conn |
| 34 | Sidney Smith THIS PERSON | 75 | Head | — | England |
| 35 | Amy Smith | 75 | Wife | — | England |
| 36 | Beatrice Smith | 52 | Daughter | Teacher | England |
| 37 | Dorothy Smith | 50 | Daughter | — | England |
| 38 | Sidney Jr Smith | 48 | Son | Laborer | Conn |
| 39 | Henry Hardham | 46 | Head | Cafeteria Man | Conn |
| 40 | Ruby Hardham | 38 | Wife | — | Conn |
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)