MS
Mary Spencer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Albany-County, New York
Our Model Tree links this Mary Spencer across the 1920, 1930 and 1940 US Censuses in Albany-County, New York (XGBoost, ~Confirmed), with identified parents Emma & Charles — first a daughter (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Albany-County, New York |
| Surname | Spencer |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | BETHLEHEM |
| 1935 Residence (County) | ALBANY |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Bethlehem |
| Est. Birth Year | ~1901 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Spencer | Daughter | — | 39 | ~1901 |
| Charles Spencer | Head | — | 74 | ~1866 |
| Charles Spencer | Son | — | 41 | ~1899 |
| Emma Spencer | Spouse | — | 76 | ~1864 |
Census Appearances
1920
Albany, New …
Daughter, age 19
Albany, New York · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Mary M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Albany, New …
Daughter, age 29
Albany, New York · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Mary M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Albany-County, New …
Daughter, age 39
Albany-County, New York · implied b. ~1901 — 4 household members
| Surname | Spencer |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | BETHLEHEM |
| 1935 Residence (County) | ALBANY |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 Spencer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Spencer (~0.92 confidence) and father Charles Spencer (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Spencer
b. ~1864
Source mother
● Household
· direct · ~0.92
Father
Charles Spencer
b. ~1866
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Spencer
Daughter · 1940 · age 39 · b. ~1901 · New York
★ You are viewing this record
Sibling
Charles Spencer
Sibling · 1940 · age 41
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 — Albany-County, New York
Open full size
1940 US Federal Census — Albany-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02456-00238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irene Lang | 40 | Wife | Waitress | Michigan |
| 2 | Frank K. Krajca | 56 | Head | Shoe Repairer | Czechoslovakia |
| 3 | Teresa Krajca | 49 | Wife | — | New York |
| 4 | Frederick F. Krajca | 23 | Son | Salesman | New York |
| 5 | Mary T. Krajca | 21 | Daughter | Secretary | New York |
| 6 | Ella A. Murphy | 66 | Head | — | New York |
| 7 | Jane J. Murphy | 40 | Daughter | Comptometer Operator | New York |
| 8 | George Hart | 38 | Head | Laborer | New York |
| 9 | Edna Hart | 37 | Wife | — | New York |
| 10 | Janet Hart | 3 | Daughter | — | New York |
| 11 | Joseph H. Middlebrook | 56 | Head | Gas Station Operator | New York |
| 12 | Bertha Middlebrook | 58 | Wife | — | New York |
| 13 | Harry S. Tolley | 68 | Head | — | New York |
| 14 | Meta K. Parr | 56 | Housekeeper | — | Germany |
| 15 | Charles Lauster | 28 | Head | Machine Operator | New York |
| 16 | Mildred Lauster | 22 | Wife | — | New York |
| 17 | Marilyn J. Lauster | 1 | Daughter | — | New York |
| 18 | Martha Mizener | 64 | Mother-in-law | — | New York |
| 19 | Charles M. Spencer | 74 | Head | Farmer | New York |
| 20 | Emma L. Spencer | 76 | Wife | — | New York |
| 21 | Charles V. Jr. Spencer | 41 | Son | Accountant | New York |
| 22 | Mary M. Spencer THIS PERSON | 39 | Daughter | — | New York |
| 23 | Marshall Mcclary | 34 | Head | Electrician | New York |
| 24 | Elsie M. Mcclary | 32 | Wife | — | Mass. |
| 25 | Hayden A. Mcclary | 1 | Son | — | New York |
| 26 | Otto Ellers | 53 | Head | Truck Mechanic | New York |
| 27 | Robert Northwick | 53 | Head | Caretaker | New York |
| 28 | Julia Northwick | 57 | Wife | — | Irish Free State |
| 29 | John Patterson | 82 | Head | — | Illinois |
| 30 | Matilda C. Patterson | 65 | Wife | — | New York |
| 31 | Nick Melgo | 57 | Head | Baker | New York |
| 32 | Ann Melgo | 47 | Wife | Clerk | New York |
| 33 | Christ Melgo | 21 | Son | Truck Driver | New York |
| 34 | Peter Melgo | 20 | Son | Baker | New York |
| 35 | Kato Melgo | 19 | Daughter | Clerk | New York |
| 36 | Forrest K. Holmes | 36 | Head | Chauffeur | Maine |
| 37 | Hazel M. Holmes | 28 | Wife | — | New York |
| 38 | Christena M. Holmes | 12 | Daughter | — | New York |
| 39 | Forrest K. Jr. Holmes | 5 | Son | — | New York |
| 40 | Shirley Ann Holmes | 4 | Daughter | — | New York |
Related Census Records
Pedigree Summary
Mary + 1 sibling
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)