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Mary Holland — 1940 US Census Record
Model Tree available1940 United States Federal Census · Schenectady-County, New York
Our Model Tree links this Mary Holland across the 1920, 1930 and 1940 US Censuses in Schenectady-County, New York (XGBoost, ~Confirmed), with identified parents Leo & Mary — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Schenectady-County, New York |
| Surname | Holland |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Schenectady City |
| 1935 Residence (County) | Schenectady |
| Additional Details | |
| Occupation | Clerk |
| Industry | Payroll Dept G. E. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 966 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | Schenectady City |
| Est. Birth Year | ~1917 |
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 Holland | Daughter | — | 23 | ~1917 |
| Leo Holland | Head | — | 49 | ~1891 |
| Edward Holland | Son | — | 18 | ~1922 |
| Leo Holland | Son | — | 19 | ~1921 |
| Mary Holland | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Schenectady, New …
Daughter, age 3
Schenectady, New York · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holland |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| 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
Schenectady, New …
Daughter, age 13
Schenectady, New York · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holland |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Schenectady-County, New …
Daughter, age 23
Schenectady-County, New York · implied b. ~1917 — 5 household members
| Surname | Holland |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Schenectady City |
| 1935 Residence (County) | Schenectady |
| Occupation | Clerk |
| Industry | Payroll Dept G. E. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 966 |
| Highest Grade | H 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 Holland across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leo Holland (~0.92 confidence) and mother Mary Holland (~0.92 confidence) and mother Mary Holland (~0.92 confidence) and father Leo Holland (~0.92 confidence) and mother Mary Holland (~0.92 confidence) and father T Holland (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leo Holland
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Mary Holland
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Holland
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Leo Holland
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Mary Holland
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
T Holland
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Holland
Daughter · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Leo Holland
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Holland
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 — Schenectady-County, New York
Open full size
1940 US Federal Census — Schenectady-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02776-00601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roger Harvey | 9 | Son | — | New York |
| 2 | Charles A. Mont Humphrey | 35 | Head | Dental Tec. | New York |
| 3 | Dorothy Humphrey | 33 | Wife | — | Penn |
| 4 | La Mont Jr. Humphrey | 11 | Son | — | New York |
| 5 | Donald Humphrey | 8 | Son | — | New York |
| 6 | Edward Mooney | 36 | Head | Salesman | New York |
| 7 | Esther Mooney | 35 | Wife | — | New York |
| 8 | Edward Jr. Mooney | 15 | Son | — | New York |
| 9 | John Mooney | 13 | Son | — | New York |
| 10 | Joseph Morris | 47 | Head | Motor Mechanic | New York |
| 11 | Lena Morris | 47 | Wife | — | New York |
| 12 | Jack Morris | 18 | Son | — | New York |
| 13 | Florence Morris | 69 | Mother | — | New York |
| 14 | Frank Farina | 31 | Head | Shoemaker | Italy |
| 15 | Angelina Farina | 28 | Wife | — | New York |
| 16 | Marie Farina | 9 | Daughter | — | New York |
| 17 | Thomas Farina | 7 | Son | — | New York |
| 18 | Frances Farina | 5 | Daughter | — | New York |
| 19 | Jacob Rees | 42 | Head | Fireman | New York |
| 20 | Helen Rees | 34 | Wife | — | New York |
| 21 | Clarence Rees | 17 | Son | — | Canada |
| 22 | Robert Rees | 14 | Son | — | New York |
| 23 | Charles Rees | 5 | Son | — | New York |
| 24 | Mary Ellen Rees | 0 | Daughter | — | New York |
| 25 | Joseph Cejka | 33 | Head | Accountant | New York |
| 26 | Millie Cejka | 31 | Wife | — | New York |
| 27 | Joseph Jr. Cejka | 10 | Son | — | New York |
| 28 | William Cejka | 6 | Son | — | New York |
| 29 | Robert Cejka | 1 | Son | — | New York |
| 30 | Le Antonia Cejka | 8 | Daughter | — | New York |
| 31 | Leo T. Holland | 49 | Head | Compress Oper. | New York |
| 32 | Mary Holland | 49 | Wife | — | New York |
| 33 | Mary E. Holland THIS PERSON | 23 | Daughter | Clerk | New York |
| 34 | Leo Jr. Holland | 19 | Son | Clerk | New York |
| 35 | Edward Holland | 18 | Son | Clerk | New York |
| 36 | Anthony Annunziata | 33 | Head | Clerk | Italy |
| 37 | Jeanne Annunziata | 33 | Wife | — | Penn |
| 38 | Annette Annunziata | 5 | Daughter | — | New York |
| 39 | Victor Annunziata | 1 | Son | — | New York |
| 40 | James W. Pulver | 38 | Head | Agent | New York |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 6 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)