MP
Mary Pearson — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Haven-County, Connecticut
Our Model Tree links this Mary Pearson across the 1920, 1930 and 1940 US Censuses in New-Haven-County, Connecticut (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Haven-County, Connecticut |
| Surname | Pearson |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Hamden |
| 1935 Residence (County) | New Haven |
| Additional Details | |
| Occupation | Secretary |
| Industry | Electrical Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 116 |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Secretary |
| Township / Ward | Hamden |
| Est. Birth Year | ~1918 |
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 Pearson | Daughter | — | 22 | ~1918 |
| Robert Pearson | Head | — | 57 | ~1883 |
| Julia Noel | Other | — | 58 | ~1882 |
| John Pearson | Son | — | 18 | ~1922 |
| Kathryn Pearson | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Fairfield, Connecticut
Other, age 2
Fairfield, Connecticut · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | Mary B. |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Connecticut |
| Occupation | none |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
New Haven, …
Daughter, age 12
New Haven, Connecticut · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearson |
| Given Name | Mary F |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Connecticut |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
New-Haven-County, Connecticut
Daughter, age 22
New-Haven-County, Connecticut · implied b. ~1918 — 5 household members
| Surname | Pearson |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Hamden |
| 1935 Residence (County) | New Haven |
| Occupation | Secretary |
| Industry | Electrical Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 116 |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Pearson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Robert Pearson (~0.92 confidence) and father Robert Pearson (~0.92 confidence) and mother Kathryn Pearson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Pearson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Robert Pearson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Kathryn Pearson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Pearson
Daughter · 1940 · age 22 · b. ~1918 · Connecticut
★ You are viewing this record
Sibling
John Pearson
Sibling · 1940 · age 18
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 — New-Haven-County, Connecticut
Open full size
1940 US Federal Census — New-Haven-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00515-01009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Koski | 27 | Housekeeper | Servant | Pennsylvania |
| 2 | George A. Treat | 56 | Head | Owner | Connecticut |
| 3 | Florence Treat | 56 | Wife | — | Connecticut |
| 4 | George A. Treat | 31 | Son | Executive | Connecticut |
| 5 | Richard E. Treat | 27 | Son | Asst Purchasing Agt | Connecticut |
| 6 | Roger C. Treat | 22 | Son | — | Connecticut |
| 7 | Bernice Treat | 27 | Daughter-in-law | Assistant | Connecticut |
| 8 | Augustus Curnow | 84 | Father-in-law | — | Connecticut |
| 9 | Angus White | 40 | Head | Dentist | Connecticut |
| 10 | Alice White | 36 | Wife | — | Connecticut |
| 11 | Joan White | 6 | Daughter | — | Connecticut |
| 12 | Roberts Budd | 53 | Head | Chief Engineer | Connecticut |
| 13 | Edith M. Budd | 51 | Wife | — | Connecticut |
| 14 | Harriet S. Budd | 20 | Daughter | — | Connecticut |
| 15 | Edith C. Budd | 13 | Daughter | — | Connecticut |
| 16 | Hugh 3Rd. Long | 38 | Head | Professor | England |
| 17 | Hilda G. Long | 36 | Wife | — | England |
| 18 | Barbara Long | 6 | Daughter | — | Pennsylvania |
| 19 | Dianna Long | 1 | Daughter | — | Connecticut |
| 20 | Joseph S. Dennis | 55 | Head | Sales Manager | Massachusetts |
| 21 | Emma Dennis | 45 | Wife | — | Prince Edward Island |
| 22 | Robert Dennis | 16 | Son | — | Connecticut |
| 23 | Robert L. Pearson | 57 | Head | Asst Manager | Pennsylvania |
| 24 | Kathryn Pearson | 48 | Wife | — | New York |
| 25 | Mary F. Pearson THIS PERSON | 22 | Daughter | Secretary | Rhode Island |
| 26 | John Pearson | 18 | Son | — | Connecticut |
| 27 | Julia Noel | 58 | Maid | Servant | New York |
| 28 | Henry W. Jones | 44 | Head | Owner | New York |
| 29 | Elizabeth Jones | 43 | Wife | — | New Jersey |
| 30 | Henry W. Jones | 19 | Son | — | Massachusetts |
| 31 | Barbara P. Jones | 18 | Daughter | — | Massachusetts |
| 32 | Edward T. Jones | 14 | Son | — | Pennsylvania |
| 33 | Nellie Mckeon | 24 | Housekeeper | Servant | Irish Free State |
| 34 | William Brewster | 25 | Head | Trust Clerk | Connecticut |
| 35 | Phebe Brewster | 24 | Wife | — | New York |
| 36 | William P. Brewster | 2 | Son | — | Connecticut |
| 37 | Mary Mazur | 39 | Housekeeper | Servant | Poland |
| 38 | Leonard W. Labaree | 42 | Head | Associate Professor | Urumia Persia |
| 39 | Elizabeth Labaree | 41 | Wife | — | Connecticut |
| 40 | Arthur Labaree | 16 | Son | — | Connecticut |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 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)