JP
James Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this James Parker across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 14-person household.
Age 20
b. ~1920
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Parker |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chestnut Hill |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Machinist |
| Class of Worker | PW |
| Hours Worked | 11 |
| Highest Grade | Hs 2 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Glenside |
| Est. Birth Year | ~1920 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Florence Parker | Daughter | — | 22 | ~1918 |
| Mary Parker | Daughter | — | 17 | ~1923 |
| Adelaide Parker | Daughter | — | 18 | ~1922 |
| Dodie Parker | Daughter | — | 5 | ~1935 |
| Gertrude Parker | Daughter | — | 10 | ~1930 |
| Andrew Parker | Head | — | 49 | ~1891 |
| Mrs Smith | Other | — | 67 | ~1873 |
| Richard Parker | Son | — | 8 | ~1932 |
| Andrew Parker | Son | — | 23 | ~1917 |
| John Parker | Son | — | 15 | ~1925 |
| Peter Parker | Son | — | 14 | ~1926 |
| Charles Parker | Son | — | 8 | ~1932 |
| James Parker | Son | — | 20 | ~1920 |
| Florence Parker | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | James H. |
| Relationship to Head | Step Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Son, age 20
Montgomery-County, Pennsylvania · implied b. ~1920 — 14 household members
| Surname | Parker |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chestnut Hill |
| 1935 Residence (County) | Philadelphia |
| Occupation | Machinist |
| Class of Worker | PW |
| Hours Worked | 11 |
| Highest Grade | Hs 2 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Parker
Son · 1940 · age 20 · b. ~1920 · Pennsylvania
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Sibling
Charles Parker
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Parker
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dodie Parker
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adelaide Parker
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Parker
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Parker
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Parker
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Parker
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Parker
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Parker
Sibling · 1940 · age 8
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, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03577-00530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary T. Donnelly | 33 | Servant | Cook | Ireland |
| 42 | Esther Maher | 42 | Servant | Laundress | Finland |
| 43 | Jennie Armstrong | 56 | Servant | Chambermaid | Ireland |
| 44 | George C. Justice | 48 | Head | Chauffeur | New Jersey |
| 45 | Lillian May Justice | 41 | Wife | — | Pennsylvania |
| 46 | Harry T. Justice | 23 | Son | New Worker | New Jersey |
| 47 | George C. Jr. Justice | 25 | Son | Mechanic | New Jersey |
| 48 | Clare Justice | 25 | Daughter-in-law | — | Pennsylvania |
| 49 | Bonnie Anne Justice | 2 | Daughter | — | Pennsylvania |
| 50 | Alpheus O. Hunstall | 52 | Head | Mech. Engineer | West Virginia |
| 51 | Bessie M. Hunstall | 52 | Wife | — | Massachusetts |
| 52 | Aline E. Yates | 19 | Niece | — | West Virginia |
| 53 | Louis O'Neill | 28 | Head | Salesman | Pennsylvania |
| 54 | Katherine O'Neill | 27 | Wife | — | Pennsylvania |
| 55 | Agnes Moeller | 36 | Servant | Maid | Germany |
| 56 | George B. Wilson | 34 | Head | Manager | Pennsylvania |
| 57 | Ruth K. Wilson | 34 | Wife | — | Pennsylvania |
| 58 | Beverley Wilson | 2 | Daughter | — | Pennsylvania |
| 59 | Gladys Spear | 19 | Servant | Servant | Pennsylvania |
| 60 | Andrew Hicks | 63 | Head | Chief Operator | Pennsylvania |
| 61 | Mary K. Hicks | 52 | Wife | — | Pennsylvania |
| 62 | Kathryn Hicks | 20 | Daughter | New Worker | Pennsylvania |
| 63 | Virginia Baines | 26 | Daughter | — | Pennsylvania |
| 64 | William Baines | 3 | Grandson | — | Pennsylvania |
| 65 | Andrew M. Jr. Parker | 49 | Head | Executive | New York |
| 66 | Florence M. Parker | 45 | Wife | — | Pennsylvania |
| 67 | Andrew, Jr. Parker | 23 | Son | Clerk | Florida |
| 68 | Florence L. Parker | 22 | Daughter | New Worker | Florida |
| 69 | James Parker THIS PERSON | 20 | Son | Machinist | Pennsylvania |
| 70 | Adelaide Parker | 18 | Daughter | — | Pennsylvania |
| 71 | Mary Louise Parker | 17 | Daughter | — | New Jersey |
| 72 | Peter Parker | 14 | Son | — | New Jersey |
| 73 | John Parker | 15 | Son | — | New Jersey |
| 74 | Gertrude Parker | 10 | Daughter | — | Pennsylvania |
| 75 | Richard Parker | 8 | Son | — | Pennsylvania |
| 76 | Charles Parker | 8 | Son | — | Pennsylvania |
| 77 | Dodie Parker | 5 | Daughter | — | Pennsylvania |
| 78 | Mrs. Minerva Smith | 67 | Mother-in-law | — | Pennsylvania |
| 79 | Harry E. Thomson | 63 | Head | Realtor | Pennsylvania |
| 80 | Helen Thomson | 36 | Daughter | — | Pennsylvania |
Related Census Records
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)