JP
John Phelps — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, New York
Our Model Tree links this John Phelps across the 1930 and 1940 US Censuses in Montgomery-County, New York (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 13-person household.
Age 11
b. ~1929
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, New York |
| Surname | Phelps |
| Given Name | John O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Amsterdam |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Amsterdam |
| Est. Birth Year | ~1929 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Thomas Phelps | Son | — | 8 | ~1932 |
| George Phelps | Son | — | 12 | ~1928 |
| Joseph Phelps | Son | — | 6 | ~1934 |
| Roy Phelps | Son | — | 10 | ~1930 |
| Jane Phelps | Daughter | — | 5 | ~1935 |
| John Phelps | Son | — | 11 | ~1929 |
| Mary Phelps | Daughter | — | 9 | ~1931 |
| Robert Phelps | Son | — | 2 | ~1938 |
| Shirley Phelps | Daughter | — | 3 | ~1937 |
| George Phelps | Head | — | 38 | ~1902 |
| Virginia Phelps | Daughter | — | 1 | ~1939 |
| William Phelps | Son | — | 7 | ~1933 |
| Adeline Phelps | Spouse | — | 29 | ~1911 |
Census Appearances
1930
Schenectady, New …
Son, age 1
Schenectady, New York · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phelps |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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 |
1940
Montgomery-County, New …
Son, age 11
Montgomery-County, New York · implied b. ~1929 — 13 household members
| Surname | Phelps |
| Given Name | John O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Amsterdam |
| 1935 Residence (County) | Montgomery |
| Highest Grade | No 3 |
| 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 John Phelps across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Phelps
Son · 1940 · age 11 · b. ~1929 · New York
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Sibling
William Phelps
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Phelps
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Phelps
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Phelps
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Phelps
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Phelps
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Phelps
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Phelps
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Phelps
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Phelps
Sibling · 1940 · age 6
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 — Montgomery-County, New York
Open full size
1940 US Federal Census — Montgomery-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02681-00806)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Markiewicz | 54 | Head | — | Poland |
| 2 | Helen Markiewicz | 29 | Daughter | Winder | New York |
| 3 | Louis J. Markiewicz | 25 | Son | Yarn Dyer | New York |
| 4 | Paul J. Markiewicz | 27 | Son | Cylinder | New York |
| 5 | Ludvica Petko | 61 | Head | — | Poland |
| 6 | Michael Petko | 24 | Son | Store Clerk | New York |
| 7 | Elizabeth Petko | 20 | Grand-daughter | Spooler | New York |
| 8 | Frank Major | 53 | Head | Farmer | Poland |
| 9 | Mary Major | 50 | Wife | Winder | Poland |
| 10 | Helen F. Major | 20 | Daughter | Frame Spinner | New York |
| 11 | Frank Jr. Major | 16 | Son | — | New York |
| 12 | Walter Jankowski | 35 | Head | — | New York |
| 13 | Winifred Jankowski | 32 | Wife | Feeder | New York |
| 14 | Dorothy A. Jankowski | 12 | Daughter | — | New York |
| 15 | George W. Phelps | 38 | Head | Welder | New York |
| 16 | Adeline M. Phelps | 29 | Wife | — | New York |
| 17 | George Jr. Phelps | 12 | Son | — | New York |
| 18 | John O. Phelps THIS PERSON | 11 | Son | — | New York |
| 19 | Roy E. Phelps | 10 | Son | — | New York |
| 20 | Mary T. Phelps | 9 | Daughter | — | New York |
| 21 | Thomas W. Phelps | 8 | Son | — | New York |
| 22 | William J. Phelps | 7 | Son | — | New York |
| 23 | Joseph Phelps | 6 | Son | — | New York |
| 24 | Jane M. Phelps | 5 | Daughter | — | New York |
| 25 | Shirley M. Phelps | 3 | Daughter | — | New York |
| 26 | Robert J. Phelps | 2 | Son | — | New York |
| 27 | Virginia Phelps | 1 | Daughter | — | New York |
| 28 | Manuel C. Almeida | 39 | Head | Yarn Dyer | Portugal |
| 29 | Mary E. Almeida | 41 | Wife | — | Portugal |
| 30 | Mary C. Almeida | 17 | Daughter | — | New York |
| 31 | Myra C. Almeida | 10 | Daughter | — | New York |
| 32 | Stella Prachniak | 27 | Head | Driller | New York |
| 33 | Alexander Prachniak | 26 | Son | Threader | New York |
| 34 | Frank Pociello | 39 | Head | Spinner | Italy |
| 35 | Bambina R. Pociello | 35 | Wife | Spooler | Italy |
| 36 | Susan Pociello | 6 | Daughter | — | New York |
| 37 | Walter Sokolowski | 48 | Head | Washer | Poland |
| 38 | Anthony J. Sokolowski | 25 | Son | Truck Helper | Pennsylvania |
| 39 | Joseph Brach | 49 | Head | Yarn Washer | Poland |
| 40 | Mary B. Brach | 58 | Wife | — | Poland |
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)