MC
Mary Conley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rensselaer-County, New York
Our Model Tree links this Mary Conley across the 1930 and 1940 US Censuses in Rensselaer-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rensselaer-County, New York |
| Surname | Conley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Hemstreet Park |
| 1935 Residence (County) | Rensselaer |
| Additional Details | |
| Occupation | Stenographer |
| Industry | State Dept. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1450 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Stenographer |
| Township / Ward | Hemstreet Park |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Conley | Son | — | 26 | ~1914 |
| John Conley | Head | — | 58 | ~1882 |
| Elizabeth Conley | Daughter | — | 20 | ~1920 |
| Arthur Conley | Son | — | 22 | ~1918 |
| Mary Conley | Daughter | — | 33 | ~1907 |
| Elizabeth Conley | Spouse | — | 62 | ~1878 |
| John Conley | Son | — | 29 | ~1911 |
Census Appearances
1930
Rensselaer, New …
Daughter, age 24
Rensselaer, New York · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conley |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Vermont |
| Mother's Birthplace | New York |
| Occupation | Stenographer |
| Industry | State Health Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Rensselaer-County, New …
Daughter, age 33
Rensselaer-County, New York · implied b. ~1907 — 7 household members
| Surname | Conley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Hemstreet Park |
| 1935 Residence (County) | Rensselaer |
| Occupation | Stenographer |
| Industry | State Dept. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1450 |
| 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 Conley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conley
Daughter · 1940 · age 33 · b. ~1907 · New York
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Sibling
Elizabeth Conley
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Conley
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Conley
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Conley
Sibling · 1940 · age 29
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 — Rensselaer-County, New York
Open full size
1940 US Federal Census — Rensselaer-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02757-00438)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Loretta Bolton | 52 | Wife | New Worker | New York |
| 2 | Jack Bolton | 20 | Son | Bookkeeper | New York |
| 3 | Frank Bolton | 18 | Son | — | New York |
| 4 | John H. Ryan | 58 | Head | Yard Clerk | Mass. |
| 5 | Jennie Ryan | 46 | Wife | Machine Operator | Vermont |
| 6 | Mary Ryan | 22 | Daughter | — | New York |
| 7 | Mary Murphy | 24 | Daughter | Knitter | Vermont |
| 8 | Ivar J. Christiansen | 50 | Head | Carpenter | New York |
| 9 | Elizabeth Christiansen | 41 | Wife | — | New York |
| 10 | Chas. L. Christiansen | 17 | Son | — | New York |
| 11 | John Christiansen | 20 | Son | — | New York |
| 12 | Wilfred Light | 31 | Head | Truck Driver | New York |
| 13 | Rita Light | 23 | Wife | — | New York |
| 14 | Herbert L. Gardner | 76 | Head | — | Penna. |
| 15 | Jennie Gardner | 74 | Wife | — | New York |
| 16 | James Walsh | 53 | Head | Conductor | New York |
| 17 | Edward Walsh | 23 | Son | Truckman | New York |
| 18 | William J. Dundas | 51 | Head | Machine Tender | England |
| 19 | Anna Helen Dundas | 52 | Wife | — | New York |
| 20 | William Dundas | 25 | Son | Accountant | New York |
| 21 | Barbara Dundas | 12 | Daughter | — | New York |
| 22 | Loren Smith | 69 | Head | Janitor | Vermont |
| 23 | Frances Smith | 71 | Wife | — | Vermont |
| 24 | Ray Munson | 50 | Head | Laborer | Montana |
| 25 | Lillie Marie Munson | 50 | Wife | — | England |
| 26 | Jane Lois Smith | 41 | Sister-in-law | Housework | New York |
| 27 | John T. Conley | 58 | Head | Conductor | Vermont |
| 28 | Elizabeth Conley | 62 | Wife | — | New York |
| 29 | Mary Conley THIS PERSON | 33 | Daughter | Stenographer | New York |
| 30 | John Conley | 29 | Son | Winder | New York |
| 31 | Joseph Conley | 26 | Son | New Worker | New York |
| 32 | Arthur Conley | 22 | Son | New Worker | New York |
| 33 | Elizabeth Conley | 20 | Daughter | — | New York |
| 34 | Albert E. Russell | 67 | Head | Pattern Maker | New York |
| 35 | Jane R. Russell | 72 | Wife | — | Scotland |
| 36 | Gladys M. Russell | 45 | Daughter | Secretary | New York |
| 37 | Percy Gorton | 42 | Head | Proprietor | New York |
| 38 | Ethel Gorton | 38 | Wife | — | New York |
| 39 | Carol G. Gorton | 5 | Daughter | — | New York |
| 40 | William J. Dyer | 36 | Head | Truck Owner | New York |
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)