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William Kerr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this William Kerr across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.
Age 10
b. ~1920
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Kerr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| John Kerr | Head | — | 34 | ~1896 |
| Mary Kerr | Daughter | — | 8 | ~1922 |
| William Kerr | Son | — | 10 | ~1920 |
| Catherine Kerr | Daughter | — | 4 | ~1926 |
| Helen Kerr | Other | — | 35 | ~1895 |
| George Kerr | Son | — | 12 | ~1918 |
| Francis Kerr | Son | — | 1 | ~1929 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 7 household members
| Surname | Kerr |
| Given Name | William |
| Relationship to Head | 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
Philadelphia-County, Pennsylvania
Other, age 20
Philadelphia-County, Pennsylvania · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Laborer |
| Industry | Battery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 788 |
| Highest Grade | Hs 4 |
| 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 William Kerr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Kerr
Son · 1930 · age 10 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
George Kerr
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kerr
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Kerr
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Kerr
Sibling · 1930 · age 1
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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2138:0411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elizabeth The Farley | 11 | Daughter | — | Pennsylvania |
| 52 | Edward The Farley | 1 | Grandson | — | Pennsylvania |
| 53 | Margaret The Farley | 1 | Daughter | — | Pennsylvania |
| 54 | Michael Janet | 42 | Head | Chef | France |
| 55 | Martha Janet | 40 | Wife-H | — | Pennsylvania |
| 56 | Carl Redman | 50 | Head | Inspector | Germany |
| 57 | Hilda Redman | 53 | Wife-H | — | Germany |
| 58 | Carl Redman | 23 | Son | Clerk | Pennsylvania |
| 59 | Fred Redman | 21 | Son | Clerk | Pennsylvania |
| 60 | Herman Redman | 18 | Son | Clerk | Pennsylvania |
| 61 | Louise Redman | 16 | Daughter | — | Pennsylvania |
| 62 | Francis Hughes | 26 | Head | Clerk | Pennsylvania |
| 63 | Margaret Hughes | 25 | Wife-H | — | Pennsylvania |
| 64 | Francis Hughes | 4 | Son | — | Pennsylvania |
| 65 | Anne Hughes | 3 | Daughter | — | Pennsylvania |
| 66 | Catherine Hughes | 1 | Daughter | — | Pennsylvania |
| 67 | Joseph Hughes | 0 | Son | — | Pennsylvania |
| 68 | Mary Brown | 18 | Lodger | — | Pennsylvania |
| 69 | William Minner | 44 | Head | Manager | Pennsylvania |
| 70 | Mary Minner | 38 | Wife-H | Saleslady | Pennsylvania |
| 71 | William Minner | 14 | Son | — | Pennsylvania |
| 72 | James Minner | 53 | Head | Clerk | Pennsylvania |
| 73 | Elizabeth Minner | 51 | Wife-H | — | Pennsylvania |
| 74 | James Minner | 21 | Son | Clerk | Pennsylvania |
| 75 | Edward Minner | 15 | Son | — | Pennsylvania |
| 76 | Edward Machlin | 68 | Head | Laborer | France |
| 77 | Marie Machlin | 63 | Wife-H | — | France |
| 78 | John King | 37 | Head | Clerk | Pennsylvania |
| 79 | Elizabeth King | 34 | Wife-H | — | Pennsylvania |
| 80 | John King | 10 | Son | — | Pennsylvania |
| 81 | Robert King | 3 | Son | — | Pennsylvania |
| 82 | Thomas Harvey | 30 | Head | Clerk | Pennsylvania |
| 83 | Esther Harvey | 31 | Wife-H | — | Pennsylvania |
| 84 | Helen Harvey | 8 | Daughter | — | Pennsylvania |
| 85 | Joseph Harvey | 6 | Son | — | Pennsylvania |
| 86 | Thomas Harvey | 4 | Son | — | Pennsylvania |
| 87 | Cornelius Harvey | 3 | Son | — | Pennsylvania |
| 88 | John Kerr | 34 | Head | Clerk | Pennsylvania |
| 89 | Helen Kerr | 35 | Wife-H | — | Pennsylvania |
| 90 | George Kerr | 12 | Son | — | Pennsylvania |
| 91 | William Kerr THIS PERSON | 10 | Son | — | Pennsylvania |
| 92 | Mary Kerr | 8 | Daughter | — | Pennsylvania |
| 93 | Catherine Kerr | 4 | Daughter | — | Pennsylvania |
| 94 | Francis Kerr | 1 | Son | — | Pennsylvania |
| 95 | Charles Dever | 62 | Head | Laborer | Irish Free State |
| 96 | John Dever | 34 | Son | Clerk | Pennsylvania |
| 97 | William Campbell | 34 | Son-in-law | Clerk | Pennsylvania |
| 98 | Margaret Campbell | 29 | Daughter-H | — | Pennsylvania |
| 99 | Eleanor Campbell | 2 | Granddaughter | — | Pennsylvania |
| 100 | Catherine Campbell | 0 | Granddaughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)