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John Bates — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Bates across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 20-person household.
Age 12
b. ~1928
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Bates |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | S 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1928 |
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.
20 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Frances Modestowicz | Daughter | — | 8 | ~1932 |
| Marie Modestowicz | Daughter | — | 9 | ~1931 |
| Carenna Campbell | Daughter | — | 21 | ~1919 |
| Edith Babb | Daughter | — | 25 | ~1915 |
| Arthur Bowman | Other | — | 14 | ~1926 |
| Evelyn Torkelson | Other | — | ~1940 | |
| Florence Oates | Other | — | 25 | ~1915 |
| Anna Ottinger | Other | — | 79 | ~1861 |
| Maria Purnell | Other | — | 67 | ~1873 |
| Lewis Babb | Other | — | 1 | ~1939 |
| Doris Schaefer | Other | — | 24 | ~1916 |
| Frank Babb | Other | — | 4 | ~1936 |
| James Campbell | Other | — | 24 | ~1916 |
| Frederick Block | Son | — | 12 | ~1928 |
| John Bates | Son | — | 12 | ~1928 |
| William Modestowicz | Son | — | 6 | ~1934 |
| Hubert Hayden | Son | — | 25 | ~1915 |
| Matthew Oates | Son | — | 26 | ~1914 |
| Mary Baumblatt | Spouse | — | 62 | ~1878 |
| Agnes Modestowicz | Spouse | — | 27 | ~1913 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 2
Philadelphia, Pennsylvania · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bates |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 12
Philadelphia-County, Pennsylvania · implied b. ~1928 — 20 household members
| Surname | Bates |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Class of Worker | 0 |
| Highest Grade | S 7 |
| 1935 Residence | Same place |
| 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 John Bates across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Bates
Son · 1940 · age 12 · b. ~1928 · Pennsylvania
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Sibling
William Modestowicz
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hubert Hayden
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Modestowicz
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carenna Campbell
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Babb
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Block
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Modestowicz
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matthew Oates
Sibling · 1940 · age 26
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
20 people indexed on this census page (nara:1940:m-t0627-03694-00494)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hubert J. Hayden | 25 | Son | Decorator | Pennsylvania |
| 2 | Edith Babb | 25 | Daughter | — | Pennsylvania |
| 3 | Frank Babb | 4 | Grandson | — | Pennsylvania |
| 4 | Lewis Babb | 1 | Grandson | — | Pennsylvania |
| 5 | Doris Schaefer | 24 | Lodger | Salesgirl | Pennsylvania |
| 6 | Carenna Campbell | 21 | Daughter | Housework | Pennsylvania |
| 7 | James Campbell | 24 | Son-in-law | Waiter | Virginia |
| 8 | Matthew Ab. Oates | 26 | Son | Teletype Oper. | Pennsylvania |
| 9 | Florence Ab. Oates | 25 | Daughter-in-law | — | Pennsylvania |
| 10 | Arthur Bowman | 14 | Lodger | — | South Carolina |
| 11 | Evelyn Torkelson | 0 | Granddaughter | — | Pennsylvania |
| 12 | Anna Ottinger | 79 | Mother-in-law | — | Pennsylvania |
| 13 | Mary Baumblatt | 62 | Wife | — | Pennsylvania |
| 14 | John Bates THIS PERSON | 12 | Son | — | Pennsylvania |
| 15 | Agnes Modestowicz | 27 | Wife | — | Pennsylvania |
| 16 | Marie Modestowicz | 9 | Daughter | — | Pennsylvania |
| 17 | Frances Modestowicz | 8 | Daughter | — | Pennsylvania |
| 18 | William Modestowicz | 6 | Son | — | Pennsylvania |
| 19 | Frederick Block | 12 | Son | — | Pennsylvania |
| 20 | Maria Purnell | 67 | Sister-in-law | — | Maryland |
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)