JN
James Nicholson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this James Nicholson across the 1920, 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed), with identified parents Peter & Janet — first a son (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Son
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | Nicholson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Yonkers |
| 1935 Residence (County) | Westchester |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Supervisor |
| Industry | Circulation department paper |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 864 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Supervisor |
| Township / Ward | Yonkers |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Peter Nicholson | Head | — | 53 | ~1887 |
| James Nicholson | Son | — | 30 | ~1910 |
| Jean Nicholson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Westchester, New …
Son, age 10
Westchester, New York · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Westchester, New …
Son, age 20
Westchester, New York · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Bookkeeper |
| Industry | Mfg Co. Leather |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Westchester-County, New …
Son, age 30
Westchester-County, New York · implied b. ~1910 — 3 household members
| Surname | Nicholson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Yonkers |
| 1935 Residence (County) | Westchester |
| Naturalization Status | Naturalized |
| Occupation | Supervisor |
| Industry | Circulation department paper |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 864 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 James Nicholson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Nicholson (~0.92 confidence) and mother Janet Nicholson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Nicholson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Janet Nicholson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Nicholson
Son · 1940 · age 30 · b. ~1910 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Westchester-County, New York
Open full size
1940 US Federal Census — Westchester-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02865-00764)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen E. Cooper | 38 | Lodger | Clerk | Pennsylvania |
| 2 | Edward Sarkin | 35 | Head | Chauffeur | New York |
| 3 | Mary Sarkin | 43 | Wife | — | Ireland |
| 4 | James Sullivan | 25 | Stepson | — | New York |
| 5 | Mary Sullivan | 22 | Stepdaughter | Cashier | New York |
| 6 | Jeanette Vaughan | 5 | Stepdaughter | — | New York |
| 7 | Mary O'Berry | 60 | Lodger | Housekeeper | Ireland |
| 8 | John Schader | 51 | Head | Partner | New York |
| 9 | Amelia Schader | 50 | Wife | — | New York |
| 10 | Lorraine Schader | 21 | Daughter | Assistant In College | New York |
| 11 | William Sugden | 53 | Head | Glass Cutter | New York |
| 12 | Katherine Sugden | 51 | Wife | — | New York |
| 13 | Charles Sugden | 48 | Brother | Bookkeeper | New York |
| 14 | Frank D. Smith | 60 | Head | Assistant Station Master | New York |
| 15 | Myrtle A. Smith | 56 | Wife | — | New York |
| 16 | Myrtle S. Barrow | 34 | Daughter | — | New York |
| 17 | Richard C. Barrow | 36 | Grandson | Operator Station | New Jersey |
| 18 | Janet C. Barrow | 9 | Granddaughter | — | New York |
| 19 | Max Hollandis | 47 | Head | Salesman - Wholesale | New York |
| 20 | Marie Hollandis | 42 | Wife | — | New York |
| 21 | Lillian Hollandis | 21 | Daughter | Secretary | New York |
| 22 | Elaine Hollandis | 14 | Daughter | — | New York |
| 23 | Oscar Groebel | 30 | Lodger | Photographer | Germany |
| 24 | Mary May | 79 | Head | — | New York |
| 25 | Charles May | 50 | Son | — | Pennsylvania |
| 26 | Florence May | 48 | Daughter | — | New York |
| 27 | Abraham Sarmast | 44 | Head | House Decorator | Persia |
| 28 | Lamya Sarmast | 35 | Wife | — | Persia |
| 29 | Rosamund Thomas | 22 | Sister-in-law | Dressmaker | Persia |
| 30 | Mary A. Waldron | 34 | Head | Teacher | New York |
| 31 | Victor Waldron | 28 | Brother | Porter | New York |
| 32 | William Waldron | 29 | Head | Medical Doctor | New York |
| 33 | Georgette Waldron | 28 | Wife | — | New York |
| 34 | Louis V. N. Waldron | 31 | Head | Maintenance Work | New York |
| 35 | Helen Waldron | 27 | Wife | — | New York |
| 36 | Peter Nicholson | 53 | Head | Machinist | Scotland |
| 37 | Jean Nicholson | 51 | Wife | — | Scotland |
| 38 | James Nicholson THIS PERSON | 30 | Son | Supervisor | Scotland |
| 39 | Richard Margari | 49 | Head | Estimating Engineer | Germany |
| 40 | Cancelled | None | — | — | — |
Pedigree Summary
James
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)