MD
Mary Dougherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nassau-County, New York
Our Model Tree links this Mary Dougherty across the 1920, 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed), with identified parents Eugene & Anne — first a daughter (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, New York |
| Surname | Dougherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Baldwin |
| 1935 Residence (County) | Nassau |
| Additional Details | |
| Occupation | Secretary |
| Industry | Wholesale Cloth |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Secretary |
| Township / Ward | Baldwin |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Dougherty | Daughter | — | 26 | ~1914 |
| Mary Dougherty | Daughter | — | 20 | ~1920 |
| Eugene Dougherty | Head | — | 60 | ~1880 |
| Eugene Dougherty | Son | — | 25 | ~1915 |
| John Dougherty | Son | — | 22 | ~1918 |
| Anne Dougherty | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Nassau, New …
Daughter, age
Nassau, New York · implied b. ~1920 — 35 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dougherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Nassau, New …
Daughter, age 10
Nassau, New York · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dougherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Nassau-County, New …
Daughter, age 20
Nassau-County, New York · implied b. ~1920 — 6 household members
| Surname | Dougherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Baldwin |
| 1935 Residence (County) | Nassau |
| Occupation | Secretary |
| Industry | Wholesale Cloth |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Dougherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Eugene Dougherty (~0.92 confidence) and mother Anne Dougherty (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Dougherty
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anne Dougherty
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Dougherty
Daughter · 1940 · age 20 · b. ~1920 · New York
★ You are viewing this record
Sibling
Helen Dougherty
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dougherty
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Dougherty
Sibling · 1940 · age 25
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 — Nassau-County, New York
Open full size
1940 US Federal Census — Nassau-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02688-00866)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Bass | 27 | Lodger | Painter | S. Carolina |
| 2 | James Brain | 22 | Lodger | Cook | New York |
| 3 | Sidney Brandis | 24 | Lodger | Sales-Person | New York |
| 4 | Eugene V. Dougherty | 60 | Head | Clerk | New York |
| 5 | Anne R. Dougherty | 55 | Wife | — | New York |
| 6 | Helen Dougherty | 26 | Daughter | Trained Nurse | New York |
| 7 | Eugene L. Dougherty | 25 | Son | Clerk | New York |
| 8 | John Dougherty | 22 | Son | — | New York |
| 9 | Mary Dougherty THIS PERSON | 20 | Daughter | Secretary | New York |
| 10 | Emma R. Smith | 69 | Head | — | New York |
| 11 | Oscar Olson | 48 | Son-in-law | Sales-Man | New York |
| 12 | Madeline Olson | 44 | Daughter | — | New York |
| 13 | Marjorie Mercer | 26 | Daughter | Secretary | New York |
| 14 | Carol Mercer | 21 | Grand-daughter | Clerk | New York |
| 15 | Doris Bloomer | 70 | Head | — | New York |
| 16 | William V. Earl | 51 | Head | Contractor | Texas |
| 17 | Ida Earl | 52 | Wife | — | New York |
| 18 | Webster Earl | 16 | Son | — | New York |
| 19 | John Earl | 14 | Son | — | New York |
| 20 | Gareth Earl | 40 | Brother | Foreman | Ohio |
| 21 | S. Edgar Miller | 44 | Head | Accountant | New York |
| 22 | Nilah Miller | 44 | Wife | — | New Jersey |
| 23 | Nilah Harvey | 23 | Daughter | Secretary | New York |
| 24 | Solomon Mard | 47 | Head | Inspector | Russia |
| 25 | Mollie Mard | 41 | Wife | — | Hungary |
| 26 | Diana Mard | 19 | Daughter | — | New York |
| 27 | Arnold Mard | 13 | Son | — | New York |
| 28 | John Paine | 60 | Head | Sales-Man | Connecticut |
| 29 | Ada Paine | 55 | Wife | — | Rhode Island |
| 30 | John Paine | 17 | Son | — | New York |
| 31 | Justine Paine | 66 | Brother | Sales-Man | Connecticut |
| 32 | Albert Pearsall | 56 | Head | Patrolman | New York |
| 33 | Bertha Pearsall | 57 | Wife | — | New York |
| 34 | Grace Pearsall | 31 | Daughter | Clerk | New York |
| 35 | Albert Jr. Pearsall | 24 | Son | — | New York |
| 36 | Georgia Pearsall | 20 | Daughter | Secretary | New York |
| 37 | Robert Pearsall | 15 | Son | — | New York |
| 38 | Harvey V. Bennett | 43 | Head | Manager | New York |
| 39 | Catherine Bennett | 41 | Wife | — | New York |
| 40 | Catherine M. Bennett | 22 | Daughter | Secretary | New York |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 2 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)