RK
Robert Kerr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Robert Kerr across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Salesman |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Kerr | Spouse | — | 56 | ~1884 |
| Grace Kerr | Daughter | — | 19 | ~1921 |
| Robert Kerr | Head | — | 54 | ~1886 |
| Daniel Kerr | Son | — | 21 | ~1919 |
| Margaret Kerr | Daughter | — | 26 | ~1914 |
| Robert Kerr | Son | — | 23 | ~1917 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 14
Philadelphia, Pennsylvania · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Philadelphia-County, Pennsylvania
Son, age 23
Philadelphia-County, Pennsylvania · implied b. ~1917 — 6 household members
| Surname | Kerr |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Salesman |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | H 2 |
| 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 Robert Kerr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Kerr
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Kerr
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Kerr
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Kerr
Sibling · 1940 · age 19
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-t0627-03720-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William J. Dingas | 54 | Brother | Machine Painter | Pennsylvania |
| 42 | Frank Erbe | 48 | Head | Fireman | New Jersey |
| 43 | Florence Erbe | 47 | Wife | — | Pennsylvania |
| 44 | Esther Erbe | 15 | Daughter | — | Pennsylvania |
| 45 | Gloria Erbe | 13 | Daughter | — | Pennsylvania |
| 46 | Frank Erbe | 11 | Son | — | Pennsylvania |
| 47 | Rose Erbe | 6 | Daughter | — | Pennsylvania |
| 48 | Charles Bauer | 76 | Head | — | Pennsylvania |
| 49 | H. John Watson | 57 | Head | Weaver | Scotland |
| 50 | Marie Watson | 54 | Wife | — | England |
| 51 | Irene Watson | 19 | Daughter | — | Pennsylvania |
| 52 | Anna Senderling | 55 | Head | — | Pennsylvania |
| 53 | Harry Senderling | 35 | Son | Dyer | Pennsylvania |
| 54 | Rose Walsh | 51 | Sister | Looper | Pennsylvania |
| 55 | Christopher Szendef | 57 | Head | Body Builder | Hungary |
| 56 | Magdalen Szendef | 57 | Wife | — | Hungary |
| 57 | Frank Lux | 39 | Son-in-law | Barber | Pennsylvania |
| 58 | Elizabeth Lux | 33 | Daughter | Bookkeeper | New York |
| 59 | Frank Jr. Lux | 12 | Grandson | — | Pennsylvania |
| 60 | Thomas Mckluth | 37 | Head | Platform Man | Pennsylvania |
| 61 | Margaret Mckluth | 30 | Wife | — | Pennsylvania |
| 62 | Margaret Mckluth | 13 | Daughter | — | Pennsylvania |
| 63 | Regina Deisroth | 27 | Sister-in-law | — | Pennsylvania |
| 64 | William Deisroth | 7 | Nephew | — | Pennsylvania |
| 65 | Margaret Deisroth | 4 | Niece | — | Pennsylvania |
| 66 | William Tiedmaier | 19 | Boarder | — | Pennsylvania |
| 67 | Robert Kerr | 54 | Head | Carpenter | Scotland |
| 68 | Margaret Kerr | 56 | Wife | — | Scotland |
| 69 | Margaret Kerr | 26 | Daughter | Stenographer | Pennsylvania |
| 70 | Robert Kerr THIS PERSON | 23 | Son | Salesman | Pennsylvania |
| 71 | Daniel Kerr | 21 | Son | Mach. Grinder | Pennsylvania |
| 72 | Grace Kerr | 19 | Daughter | Stenographer | Pennsylvania |
| 73 | William Mcfarland | 51 | Head | Weaver | Pennsylvania |
| 74 | Sarah Mcfarland | 47 | Wife | — | Maryland |
| 75 | Francis Mcfarland | 22 | Son | Packer | Maryland |
| 76 | Edward Mcfarland | 20 | Son | Creeler | Maryland |
| 77 | Doris Mcfarland | 12 | Daughter | — | Pennsylvania |
| 78 | Margaret Mcfarland | 11 | Daughter | — | Pennsylvania |
| 79 | Rebecca Bentz | 76 | Head | — | Pennsylvania |
| 80 | Florence Kureat | 53 | 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)