JR
James Robertson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this James Robertson across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 6-person household.
Age 49
b. ~1871
Male
Head
Born: West Virginia
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Robertson |
| Given Name | James D. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Father's Birthplace | Canada |
| Mother's Birthplace | West Virginia |
| Additional Details | |
| Occupation | Sales Manager |
| Industry | Wholesale Lumber |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Occupation | Sales Manager |
| Township / Ward | Pittsburgh 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Robertson | Daughter | — | 13 | ~1907 |
| James Robertson | Head | — | 49 | ~1871 |
| Sarah Brown | Other | — | 79 | ~1841 |
| Anna Jones | Other | — | 36 | ~1884 |
| James Robertson | Son | — | 11 | ~1909 |
| Grace Robertson | Spouse | — | 45 | ~1875 |
Census Appearances
1900
Allegheny, Pennsylvania
Head, age 30
Allegheny, Pennsylvania · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | James B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Birth Month | Aug |
| Birth Year | 1870 |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read | Clerk Office |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1910
Allegheny, Pennsylvania
Head, age 37
Allegheny, Pennsylvania · implied b. ~1873 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | James N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Years Married | 12 |
| Father's Birthplace | Can. English |
| Mother's Birthplace | West Virginia |
| Occupation | Sales Manager |
| Industry | Robert Kelly Mfg. Co. |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1920
Allegheny, Pennsylvania
Head, age 49
Allegheny, Pennsylvania · implied b. ~1871 — 6 household members
| Surname | Robertson |
| Given Name | James D. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Father's Birthplace | Canada |
| Mother's Birthplace | West Virginia |
| Occupation | Sales Manager |
| Industry | Wholesale Lumber |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 James Robertson across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
James Robertson
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 — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1518unit:0729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ella Hogan | 9 | daughter | None | Pennsylvania |
| 52 | George B. Ewart | 27 | son-in-law | Agent | Pennsylvania |
| 53 | Florence Ewart | 22 | daughter-in-law | None | Pennsylvania |
| 54 | Clementina E. Epping | 48 | head | None | Pennsylvania |
| 55 | Mary E. Epping | 20 | daughter | None | Pennsylvania |
| 56 | William E. Epping | 17 | son | None | Pennsylvania |
| 57 | Violetta E. Epping | 4 | daughter | None | Pennsylvania |
| 58 | R. Franklin | 60 | sister | Seamstress | Pennsylvania |
| 59 | Mary Harris | 57 | servant | Seamstress | Massachusetts |
| 60 | Jesse L. Bond | 34 | head | None | Virginia |
| 61 | Harriett Bond | 39 | wife | None | Pennsylvania |
| 62 | Jesse P. Bond | 6 | son | None | Pennsylvania |
| 63 | Vivian M. Bond | 5 | daughter | None | Pennsylvania |
| 64 | Mary A. Succop | 62 | head | None | Pennsylvania |
| 65 | John H. Succop | 25 | son | Broker | Pennsylvania |
| 66 | Adelaide U. Succop | 32 | daughter | None | Pennsylvania |
| 67 | Eleanor E. Succop | 30 | daughter | None | Pennsylvania |
| 68 | Chas R. Black | 33 | head | None | Pennsylvania |
| 69 | Gladys Black | 37 | wife | None | New York |
| 70 | Dorothy Black | 7 | daughter | None | Pennsylvania |
| 71 | Sylvia Black | 0 | daughter | None | Pennsylvania |
| 72 | Martha Harvey | 33 | servant | None | Scotland |
| 73 | Ada M. Potter | 66 | mother | None | New York |
| 74 | Freda Drew | 31 | servant | Cook | Pennsylvania |
| 75 | James D. Robertson THIS PERSON | 49 | head | Sales Manager | West Virginia |
| 76 | Grace B. Robertson | 45 | wife | None | Ohio |
| 77 | Mary L. Robertson | 13 | daughter | None | Pennsylvania |
| 78 | James W. Robertson | 11 | son | None | Pennsylvania |
| 79 | Sarah A. Brown | 79 | mother-in-law | None | Ohio |
| 80 | Anna Jones | 36 | servant | Housekeeper | England |
| 81 | Peter Y. Cohen | 25 | head | None | Pennsylvania |
| 82 | Morris A. Cohen | 27 | brother | None | Pennsylvania |
| 83 | H. Rosie Cohen | 49 | mother | None | Russia |
| 84 | Helen Samuels | 24 | lodger | None | Austria |
| 85 | Abraham Davis | 27 | cousin | Clerk | Pennsylvania |
| 86 | Marion Davis | 24 | cousin | None | Pennsylvania |
| 87 | James Cooper | 50 | head | Real Estate | Russia |
| 88 | Sarah Cooper | 48 | wife | None | Russia |
| 89 | Ben H. Cooper | 32 | son | None | Russia |
| 90 | Una Cooper | 25 | daughter | None | Pennsylvania |
| 91 | Ruth Cooper | 23 | daughter | None | Pennsylvania |
| 92 | Paul Cooper | 22 | son | Salesman | Pennsylvania |
| 93 | Reeke Bernstein | 34 | daughter | None | Pennsylvania |
| 94 | Harry Bernstein | 36 | son-in-law | Manager | Pennsylvania |
| 95 | James M. Long | 42 | head | Physician | Pennsylvania |
| 96 | Mary U. Long | 39 | wife | None | New York |
| 97 | Mary E. Long | 9 | daughter | None | Pennsylvania |
| 98 | Helen Long | 7 | daughter | None | Pennsylvania |
| 99 | Ed L. Youmans | 24 | lodger | Clerk | New York |
| 100 | Mattie Johnston | 18 | servant | Servant | Alabama |
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)