JR
Joseph Robinson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this Joseph Robinson across the 1900, 1910 and 1920 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Mary — first a son (b.~1900), then head of a 9-person household.
Age 20
b. ~1900
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Pennsylvania |
| Surname | Robinson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wales |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Conshohocken Borough |
| Est. Birth Year | ~1900 |
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 1920 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Mary Robinson | Daughter | — | 18 | ~1902 |
| Lizzie Robinson | Daughter | — | 12 | ~1908 |
| Mary Robinson | Head | — | 54 | ~1866 |
| Joseph Robinson | Son | — | 20 | ~1900 |
| James Robinson | Son | — | 14 | ~1906 |
| George Robinson | Son | — | 25 | ~1895 |
| John Robinson | Son | — | 29 | ~1891 |
| William Robinson | Son | — | 16 | ~1904 |
| Daniel Robinson | Son | — | 27 | ~1893 |
Census Appearances
1900
Montgomery, Pennsylvania
Son, age 1
Montgomery, Pennsylvania · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Joseph E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | May |
| Birth Year | 1899 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wales |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Montgomery, Pennsylvania
Son, age 10
Montgomery, Pennsylvania · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wales |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montgomery, Pennsylvania
Son, age 20
Montgomery, Pennsylvania · implied b. ~1900 — 9 household members
| Surname | Robinson |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wales |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| 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 Joseph Robinson across 3 US Census years (1900, 1910 and 1920) in Montgomery, Pennsylvania, using XGBoost record linkage. Identified parents: father Charles Robinson (~0.92 confidence) and mother Mary Robinson (~0.92 confidence) and mother Mary Robinson (~0.92 confidence) and father John Robinson (~0.92 confidence) and mother Sarah Robinson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Robinson
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Mary Robinson
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Mary Robinson
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
John Robinson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Sarah Robinson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Robinson
Son · 1920 · age 20 · b. ~1900 · Pennsylvania
★ You are viewing this record
Sibling
James Robinson
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Robinson
Sibling · 1920 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Robinson
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Robinson
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Robinson
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lizzie Robinson
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Robinson
Sibling · 1920 · age 25
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
1920 US Federal Census — Montgomery, Pennsylvania
Open full size
1920 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1606unit:1027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alice Ballmray | 27 | Wife | — | Pennsylvania |
| 52 | Maurice Ballmray | 6 | Daughter | — | Pennsylvania |
| 53 | Earl Jr. Ballmray | 4 | Son | — | Pennsylvania |
| 54 | William Ballmray | 2 | Son | — | Pennsylvania |
| 55 | Mary Ballmray | 0 | Son | — | Pennsylvania |
| 56 | James Ballmray | 18 | Boarder | Clerk | Pennsylvania |
| 57 | Solomon Ballmray | 66 | Head | Straightener | Delaware |
| 58 | Phoebe Ballmray | 65 | Wife | — | Delaware |
| 59 | Susan Ballmray | 48 | Boarder | — | Delaware |
| 60 | Joseph Heffentrayer | 33 | Head | Car Welder | Pennsylvania |
| 61 | Camila W. Heffentrayer | 36 | Wife | — | Pennsylvania |
| 62 | John Heffentrayer | 11 | Son | — | Pennsylvania |
| 63 | Paul Heffentrayer | 8 | Son | — | Pennsylvania |
| 64 | Eveline Heffentrayer | 5 | Daughter | — | Pennsylvania |
| 65 | Russell Heffentrayer | 4 | Son | — | Pennsylvania |
| 66 | Gertrude Heffentrayer | 2 | Daughter | — | Pennsylvania |
| 67 | Rebecca Heffentrayer | 1 | Daughter | — | Pennsylvania |
| 68 | George E. Rossiter | 48 | Head | Laborer | Pennsylvania |
| 69 | Agnes Rossiter | 44 | Wife | — | Pennsylvania |
| 70 | Lukas Laners | 64 | Head | Laborer | Pennsylvania |
| 71 | Mary E. Laners | 50 | Wife | — | Maryland |
| 72 | Mary Robinson | 54 | Head | — | Wales |
| 73 | John Robinson | 29 | Son | Textile Worker | Pennsylvania |
| 74 | Daniel Robinson | 27 | Son | Binder | Pennsylvania |
| 75 | George Robinson | 25 | Son | — | Pennsylvania |
| 76 | Joseph Robinson THIS PERSON | 20 | Son | — | Pennsylvania |
| 77 | Mary Robinson | 18 | Daughter | Rol Maker | Pennsylvania |
| 78 | William Robinson | 16 | Son | Textile Worker | Pennsylvania |
| 79 | James Robinson | 14 | Son | Textile Worker | Pennsylvania |
| 80 | Lizzie Robinson | 12 | Daughter | — | Pennsylvania |
| 81 | John Smith | 27 | Head | Laborer | Russia Poland |
| 82 | Josephine Smith | 28 | Wife | — | Russia Poland |
| 83 | Mary Smith | 10 | Daughter | — | Pennsylvania |
| 84 | Laura Smith | 9 | Daughter | — | Pennsylvania |
| 85 | Vera Smith | 2 | Daughter | — | Pennsylvania |
| 86 | Matthew Kurnataski | 30 | Head | Rubber Shop | Polish |
| 87 | Mary Kurnataski | 28 | Wife | — | Polish |
| 88 | Wladislaw Kurnataski | 5 | Son | — | Pennsylvania |
| 89 | Frank Kurnataski | 2 | Son | — | Pennsylvania |
| 90 | Roy Zatroga | 45 | Boarder | Rubber Tire | Polish |
| 91 | Michael Provitt | 26 | Head | Tire Maker | Pennsylvania |
| 92 | Mary Provitt | 22 | Wife | — | Pennsylvania |
| 93 | Russell Provitt | 6 | Son | — | Pennsylvania |
| 94 | William Provitt | 5 | Son | — | Pennsylvania |
| 95 | Helen Provitt | 3 | Daughter | — | Pennsylvania |
| 96 | Alice Provitt | 2 | Daughter | — | Pennsylvania |
| 97 | Abraham Lee | 72 | Head | Laborer | Virginia |
| 98 | Annie Lee | 52 | Wife | — | S. Carolina |
| 99 | Marshall Lee | 43 | Head | Heater Helper | Virginia |
| 100 | Mary Lee | 38 | Wife | — | Maryland |
Related Census Records
Pedigree Summary
Joseph + 7 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)