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John Sims — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Sims across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 9-person household.
Age 37
b. ~1903
Male
Son
Born: N. Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Sims |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | N. Carolina |
| 1935 Residence (City) | Philadelphia city |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Work |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 960 |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | n carolina |
| Occupation | Laborer |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1903 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Robert Sims | Son | — | 6 | ~1934 |
| John Sims | Son | — | 37 | ~1903 |
| Nita Sims | Daughter | — | 4 | ~1936 |
| James Sims | Son | — | 31 | ~1909 |
| Joseph Sims | Son | — | 16 | ~1924 |
| Amy Sims | Spouse | — | 51 | ~1889 |
| Carter Sims | Head | — | 56 | ~1884 |
| Doris Sims | Daughter | — | 13 | ~1927 |
| Clara Sims | Daughter | — | 23 | ~1917 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 29
Philadelphia, Pennsylvania · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sims |
| Given Name | John |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Single |
| Birthplace | N. Carolina |
| Father's Birthplace | N. Carolina |
| Mother's Birthplace | N. Carolina |
| Occupation | Operator |
| Industry | Elevator |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birthplace (normalized) | n carolina |
1940
Philadelphia-County, Pennsylvania
Son, age 37
Philadelphia-County, Pennsylvania · implied b. ~1903 — 9 household members
| Surname | Sims |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | N. Carolina |
| 1935 Residence (City) | Philadelphia city |
| 1935 Residence (County) | Philadelphia |
| Occupation | Laborer |
| Industry | Road Work |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 960 |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birthplace (normalized) | n carolina |
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 Sims across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Sims
Son · 1940 · age 37 · b. ~1903 · Pennsylvania
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Sibling
Nita Sims
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Sims
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Sims
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sims
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sims
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Sims
Sibling · 1940 · age 16
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
40 people indexed on this census page (nara:1940:m-t0627-03697-00408)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Benjamin Jones | 50 | Head | Laborer | West Indies |
| 2 | Henrietta Jones | 40 | Wife | — | Panama |
| 3 | Carter Sims | 56 | Head | Laborer | Virginia |
| 4 | Amy Sims | 51 | Wife | — | N. Carolina |
| 5 | John Sims THIS PERSON | 37 | Son | Laborer | N. Carolina |
| 6 | James Sims | 31 | Son | Laborer | N. Carolina |
| 7 | Clara Sims | 23 | Daughter | — | Maryland |
| 8 | Joseph Sims | 16 | Son | — | New Jersey |
| 9 | Doris Sims | 13 | Daughter | — | New Jersey |
| 10 | Robert Sims | 6 | Son | — | New Jersey |
| 11 | Nita Sims | 4 | Daughter | — | New Jersey |
| 12 | Effie Walker | 29 | Head | Maid | N. Carolina |
| 13 | Claude Walker | 23 | Son | Truck Driver | N. Carolina |
| 14 | Lottie Walker | 20 | Daughter | Laborer | Pennsylvania |
| 15 | James Walker | 19 | Son | — | Pennsylvania |
| 16 | Gloria Walker | 9 | Daughter | — | Pennsylvania |
| 17 | Raymond Walker | 7 | Son | — | Pennsylvania |
| 18 | Edward Walker | 4 | Son | — | Pennsylvania |
| 19 | Clara Walker | 2 | Daughter | — | Pennsylvania |
| 20 | Charles A. Williams | 55 | Lodger | — | Georgia |
| 21 | Frank Orth | 48 | Head | Salesman | Pennsylvania |
| 22 | Elizabeth Orth | 40 | Wife | Seamstress | New Jersey |
| 23 | Edward Orth | 15 | Son | — | Pennsylvania |
| 24 | Philip Orth | 14 | Son | — | Pennsylvania |
| 25 | Paul Orth | 12 | Son | — | Pennsylvania |
| 26 | John Glancy | 49 | Head | Watchman | Pennsylvania |
| 27 | Mary Glancy | 48 | Wife | — | Pennsylvania |
| 28 | Martha Glancy | 22 | Son | Checker | Pennsylvania |
| 29 | John Glancy | 18 | Son | New Worker | Pennsylvania |
| 30 | Miriam Glancy | 16 | Daughter | — | Pennsylvania |
| 31 | Geraldine Glancy | 10 | Daughter | — | Pennsylvania |
| 32 | Mary Clymer | 71 | Head | — | New Jersey |
| 33 | Verna Kilburn | 55 | Head | Mechanic | New York |
| 34 | Anna Kilburn | 52 | Wife | — | Indiana |
| 35 | Della Kelly | 72 | Head | — | Pennsylvania |
| 36 | Fred Blaking | 70 | Head | — | Jersey City |
| 37 | Cassandra Blaking | 60 | Wife | — | Pennsylvania |
| 38 | Rose Dunn | 33 | Head | Cleaner | Pennsylvania |
| 39 | Betty Dunn | 13 | Daughter | — | Pennsylvania |
| 40 | Doris Dunn | 8 | Daughter | — | Pennsylvania |
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)