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Mary Baird — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Mary Baird across the 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Baird |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Totowa Boro |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Occupation | Salesgirl |
| Industry | Retail Candy |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 728 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Salesgirl |
| Township / Ward | Totowa Boro |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Ann Baird | Daughter | — | 20 | ~1920 |
| John Baird | Son | — | 22 | ~1918 |
| Joseph Baird | Son | — | 9 | ~1931 |
| Joseph Baird | Head | — | 48 | ~1892 |
| Mary Baird | Daughter | — | 25 | ~1915 |
| Julia Baird | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Passaic, New …
Daughter, age 16
Passaic, New Jersey · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Daughter, age 25
Passaic-County, New Jersey · implied b. ~1915 — 6 household members
| Surname | Baird |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Totowa Boro |
| 1935 Residence (County) | Passaic |
| Occupation | Salesgirl |
| Industry | Retail Candy |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 728 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Baird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Baird
Daughter · 1940 · age 25 · b. ~1915 · New Jersey
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Sibling
Joseph Baird
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Baird
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Baird
Sibling · 1940 · age 20
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 — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02379-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Milliken | 10 | Son | — | New Jersey |
| 2 | Samuel Meek | 80 | Head | Laborer | Scotland |
| 3 | Mary Meek | 78 | Wife | — | England |
| 4 | Joseph Baird | 48 | Head | Roofer | New Jersey |
| 5 | Julia Baird | 43 | Wife | — | Austria |
| 6 | Mary Baird THIS PERSON | 25 | Daughter | Salesgirl | New Jersey |
| 7 | John Baird | 22 | Son | Machinist | New Jersey |
| 8 | Ann Baird | 20 | Daughter | Salesgirl | New Jersey |
| 9 | Joseph Baird | 9 | Son | — | New Jersey |
| 10 | Frank Hanson | 47 | Head | Insurance Agent | New Jersey |
| 11 | Margaret Hanson | 44 | Wife | — | New Jersey |
| 12 | Henry Asselin | 42 | Head | Parts Clerk | New York |
| 13 | Violet Asselin | 38 | Wife | — | New Jersey |
| 14 | Charles Asselin | 7 | Son | — | New Jersey |
| 15 | Walter Glass | 57 | Head | Butcher | New Jersey |
| 16 | Irene Glass | 55 | Wife | — | New Jersey |
| 17 | Hazel Glass | 26 | Daughter | Winder (Silk) | New Jersey |
| 18 | Walter Glass | 20 | Son | Automobile Mechanic | New Jersey |
| 19 | Dorothy Appleton | 32 | Daughter | Quill Winder | New Jersey |
| 20 | Louis Mursch | 57 | Head | Distributor-Beverage | New Jersey |
| 21 | Emma Mursch | 60 | Wife | — | Denmark |
| 22 | John T. Turner | 47 | Head | Tapestry Weaver | New Jersey |
| 23 | Rose Turner | 46 | Wife | — | New Jersey |
| 24 | John Jr. Turner | 18 | Son | Shop Hand | New Jersey |
| 25 | Robert Turner | 15 | Son | — | New Jersey |
| 26 | Robert B. Sted | 39 | Head | Laborer | Scotland |
| 27 | Kate Sted | 38 | Wife | — | Scotland |
| 28 | Samuel Sted | 10 | Son | — | New York |
| 29 | Jessie Sted | 6 | Daughter | — | New York |
| 30 | Robert B. Sted | 1 | Son | — | New Jersey |
| 31 | John Vander Vliet | 39 | Head | Machinist | New Jersey |
| 32 | Mary Vander Vliet | 37 | Wife | — | New Jersey |
| 33 | Charles Danhauser | 61 | Head | Reed Maker | Germany |
| 34 | Ethel Danhauser | 45 | Wife | — | New Jersey |
| 35 | Paul Danhauser | 58 | Brother | Machinist | Germany |
| 36 | Harold Smith | 51 | Head | — | New Jersey |
| 37 | Anna Smith | 51 | Wife | — | New Jersey |
| 38 | Harold Jr. Smith | 23 | Son | Asst. Manager | New Jersey |
| 39 | William Smith | 21 | Son | File Clerk | New Jersey |
| 40 | Ruth Smith | 19 | Daughter | Receptionist | New Jersey |
Related Census Records
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)