RB
Robert Ball — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Robert Ball across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 10-person household.
Age 49
b. ~1871
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Ball |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1871 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Roberta Ball | Daughter | — | 8 | ~1912 |
| Robert Ball | Head | — | 49 | ~1871 |
| Irene Ball | Daughter | — | 13 | ~1907 |
| Elizabeth Debrier | Daughter | — | 22 | ~1898 |
| John Debrier | Other | — | 24 | ~1896 |
| Sarah Ball | Spouse | — | 48 | ~1872 |
| Betty Debrier | Other | — | 1 | ~1919 |
| Edward Ball | Other | — | 2 | ~1918 |
| Emily Ball | Daughter | — | 24 | ~1896 |
| Edward Ball | Son | — | 24 | ~1896 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 49
Philadelphia, Pennsylvania · implied b. ~1871 — 10 household members
| Surname | Ball |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Other, age 59
Philadelphia, Pennsylvania · implied b. ~1871 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ball |
| Given Name | Robert |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Engineer |
| Industry | Steam RR |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Ball across 2 US Census years (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Ball
Head · 1920 · age 49 · b. ~1871 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1648unit:0507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fredrick Hackeray | 9 | — | — | Pennsylvania |
| 52 | Charles Hackeray | 6 | — | — | Pennsylvania |
| 53 | George Hackeray | 1 | — | — | Pennsylvania |
| 54 | Arthur Groves | 50 | Head | Expressman | Ireland |
| 55 | Emma Groves | 47 | Wife | — | Pennsylvania |
| 56 | Emma Groves | 16 | Daughter | Clerk | Pennsylvania |
| 57 | Sarah Boffin | 55 | Boarder | Clerk | Ireland |
| 58 | Mary Richardson | 52 | Head | — | Pennsylvania |
| 59 | James Richardson | 31 | Son | Chauffeur | Pennsylvania |
| 60 | Jacob H. Roseman | 44 | Head | Upholsterer | Russia |
| 61 | Rachel Roseman | 41 | Wife | — | England |
| 62 | William Brooker | 42 | Boarder | Foreman | New York |
| 63 | Stella Dilworth | 79 | Head | — | New York |
| 64 | William H. Dilworth | 52 | Son | Sheet Iron Worker | Pennsylvania |
| 65 | Robert Ball THIS PERSON | 49 | Head | Machinist | Pennsylvania |
| 66 | Sarah Ball | 48 | Wife | — | Pennsylvania |
| 67 | Edward Ball | 24 | Son | Insurance | Pennsylvania |
| 68 | Elizabeth Debrier | 22 | Daughter | Operator | Pennsylvania |
| 69 | John Debrier | 24 | Son in law | Waiter | Corsica Fr. |
| 70 | Emily Ball | 24 | Daughter | Operator | Pennsylvania |
| 71 | Irene Ball | 13 | Daughter | — | Pennsylvania |
| 72 | Roberta Ball | 8 | Daughter | — | Pennsylvania |
| 73 | Edward Ball | 2 | Grand son | — | Pennsylvania |
| 74 | Betty Debrier | 1 | Grand daughter | — | Pennsylvania |
| 75 | William Child | 51 | Head | Clerk | South Ex |
| 76 | Anna Child | 49 | Wife | — | New Jersey |
| 77 | Maria Child | 23 | Daughter | Teacher | New Jersey |
| 78 | James Quigley | 44 | Head | Pattern Maker | Pennsylvania |
| 79 | Lucy Quigley | 37 | Wife | — | Pennsylvania |
| 80 | Elsie Quigley | 20 | Daughter | Operator | Pennsylvania |
| 81 | Gertrude Quigley | 14 | Daughter | Clerk | Illinois |
| 82 | John Quigley | 8 | Son | Ship Fitters Helper | Pennsylvania |
| 83 | James Quigley | 7 | Son | — | Pennsylvania |
| 84 | Leo Quigley | 5 | Son | — | Pennsylvania |
| 85 | George W. Lancaster | 37 | Head | Foreman | Pennsylvania |
| 86 | Elizabeth Lancaster | 26 | Wife | — | Pennsylvania |
| 87 | George W. Jr. Lancaster | 6 | Son | — | Pennsylvania |
| 88 | Lucille C. Lancaster | 5 | Daughter | — | Pennsylvania |
| 89 | George W. Hinckley | 30 | Head | Accountant | Pennsylvania |
| 90 | Corinne Hinckley | 20 | Wife | — | Pennsylvania |
| 91 | Edwin L. Hinckley | 7 | Son | — | Pennsylvania |
| 92 | George W. Hinckley | 5 | Son | — | Pennsylvania |
| 93 | Hannah Mary Hinckley | 1 | Daughter | — | Pennsylvania |
| 94 | Walter R. Belles | 28 | Head | Machinist | Pennsylvania |
| 95 | Jennie Belles | 27 | Wife | — | Pennsylvania |
| 96 | Catherine J. Belles | 1 | Daughter | — | Pennsylvania |
| 97 | Joseph Henderson | 61 | Head | Tin Smith | Pennsylvania |
| 98 | Sarah Henderson | 58 | Wife | — | Pennsylvania |
| 99 | James Henderson | 32 | Son | Clerk | Pennsylvania |
| 100 | David Henderson | 17 | Son | Clerk | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)