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Mary Bartlett — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Connecticut
Our Model Tree links this Mary Bartlett across the 1930 and 1940 US Censuses in Middlesex-County, Connecticut (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 5-person household.
Age 11
b. ~1929
Female
Daughter
Born: Connecticut
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Connecticut |
| Surname | Bartlett |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Township / Ward | Portland |
| Est. Birth Year | ~1929 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Bartlett | Daughter | — | 11 | ~1929 |
| Frances Bartlett | Spouse | — | 34 | ~1906 |
| Henry Bartlett | Head | — | 30 | ~1910 |
| Frances Bartlett | Daughter | — | 14 | ~1926 |
| Genevieve Bartlett | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Middlesex, Connecticut
Daughter, age 1
Middlesex, Connecticut · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bartlett |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Poland |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Middlesex-County, Connecticut
Daughter, age 11
Middlesex-County, Connecticut · implied b. ~1929 — 5 household members
| Surname | Bartlett |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Middlesex |
| Highest Grade | S 5 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Mary Bartlett across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bartlett
Daughter · 1940 · age 11 · b. ~1929 · Connecticut
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Sibling
Genevieve Bartlett
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Bartlett
Sibling · 1940 · age 14
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, Connecticut
Open full size
1940 US Federal Census — Middlesex-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00513-00328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viola D Riordon | 36 | Wife | — | New York |
| 42 | William Riordon | 14 | Son | — | Connecticut |
| 43 | Merrill Riordon | 9 | Son | — | Connecticut |
| 44 | James Riordon | 6 | Son | — | Connecticut |
| 45 | Henry Bartlett | 30 | Head | Truck Driver | Connecticut |
| 46 | Frances W Bartlett | 34 | Wife | Domestic Work | Poland |
| 47 | Frances Bartlett | 14 | daughter | — | Connecticut |
| 48 | Mary Bartlett THIS PERSON | 11 | daughter | — | Connecticut |
| 49 | Genevieve Bartlett | 10 | daughter | — | Connecticut |
| 50 | John Smaktunowicz | 50 | Head | Stock Room | Poland |
| 51 | Anna Smaktunowicz | 42 | Wife | Polisher | Poland |
| 52 | Joseph Eisenstein | 47 | Head | Proprietor | Russia |
| 53 | Etta Eisenstein | 41 | Wife | — | Russia |
| 54 | Herman Eisenstein | 20 | Son | — | Connecticut |
| 55 | Phyllis Eisenstein | 15 | daughter | — | Connecticut |
| 56 | Marcus Eisenstein | 12 | Son | — | Connecticut |
| 57 | Flora Eisenstein | 9 | daughter | — | Connecticut |
| 58 | John Stephens | 59 | Head | — | Connecticut |
| 59 | Mary D Stephens | 56 | Wife | — | Connecticut |
| 60 | Chester Wickrowski | 25 | Head | Mill Work | Connecticut |
| 61 | Sophie Wickrowski | 22 | Wife | — | Connecticut |
| 62 | Frances Wickrowski | 2 | daughter | — | Connecticut |
| 63 | Stanley Fronczak | 24 | Lodger | Laborer | Connecticut |
| 64 | Mary Fronczak | 19 | Lodger Wife | Tennis Room | Connecticut |
| 65 | Fredrick Peacor | 29 | Head | Baker | Poland |
| 66 | Rose Peacor | 28 | Wife | — | Connecticut |
| 67 | Fredrick Peacor | 4 | Son | — | Connecticut |
| 68 | Lucien Abelhauser | 56 | Head | Chef | France |
| 69 | Bessie Abelhauser | 48 | Wife | Domestic Work | Rhode Island |
| 70 | Robert Abelhauser | 17 | Son | Bus Boy | Connecticut |
| 71 | Janet Abelhauser | 16 | daughter | — | Connecticut |
| 72 | Betty Abelhauser | 14 | daughter | — | Connecticut |
| 73 | Albert Abelhauser | 9 | Son | — | Connecticut |
| 74 | Fredrick Walatock | 46 | Head | Laborer | Connecticut |
| 75 | Emily Walatock | 42 | Wife | — | Connecticut |
| 76 | Charles Walatock | 12 | Son | — | Connecticut |
| 77 | John Parcak | 62 | Head | Mill Hand | Poland |
| 78 | Frances Parcak | 24 | daughter | Bookkeeper | Connecticut |
| 79 | Henry Parcak | 21 | Son | Laborer | Connecticut |
| 80 | Ann Parcak | 18 | daughter | — | Connecticut |
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)