RL
Robert Lucas — 1920 US Census Record
Linked across censuses1920 United States Federal Census · None, Washington
Our Model Tree links this Robert Lucas across the 1910 and 1920 US Censuses in Washington (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 9-person household.
Age 14
b. ~1906
Male
Son
Born: Virginia
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | None, Washington |
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | Salesman |
| Industry | Tea Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Salesman |
| Est. Birth Year | ~1906 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Lucas | Head | — | 45 | ~1875 |
| Susan Lucas | Other | — | 40 | ~1880 |
| Mary Lucas | Daughter | — | 12 | ~1908 |
| Thelma Lucas | Daughter | — | 10 | ~1910 |
| Irene Lucas | Daughter | — | 17 | ~1903 |
| Martha Lucas | Daughter | — | 15 | ~1905 |
| Jessie Lucas | Daughter | — | 11 | ~1909 |
| Samuel Lucas | Son | — | 13 | ~1907 |
| Robert Lucas | Son | — | 14 | ~1906 |
Census Appearances
1910
Prince Edward, …
Son, age 3
Prince Edward, Virginia · implied b. ~1907 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1920
None, Washington
Son, age 14
None, Washington · implied b. ~1906 — 9 household members
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Salesman |
| Industry | Tea Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | 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 Robert Lucas across 2 US Census years (1910 and 1920) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lucas
Son · 1920 · age 14 · b. ~1906 · Washington
★ You are viewing this record
Sibling
Samuel Lucas
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lucas
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Lucas
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Lucas
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Lucas
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Lucas
Sibling · 1920 · age 11
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 — None, Washington
Open full size
1920 US Federal Census — None, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu208unit:0981)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elmer | 27 | Head | Merchant | Germany |
| 52 | Sarah | 27 | Wife | — | Germany |
| 53 | Bernice | 2 | Daughter | — | Maryland |
| 54 | Ruth | 41 | Boarder | — | Maryland |
| 55 | William | 16 | Boarder | — | Maryland |
| 56 | William Gracy | 40 | Head | Stenographer | Maryland |
| 57 | Lillian Gracy | 34 | Wife | — | West Virginia |
| 58 | Roscoe Gracy | 5 | Son | — | West Virginia |
| 59 | William Gracy | 3 | Son | — | West Virginia |
| 60 | William Jenkins | 26 | Head | — | West Virginia |
| 61 | Grace Jenkins | 24 | Wife | Saleslady | Maryland |
| 62 | William Jenkins | 3 | Son | — | Wash DC |
| 63 | George Harper | 43 | Head | Domestic | Maryland |
| 64 | Alice Harper | 38 | Wife | Laborer | Wash DC |
| 65 | Audrey Harper | 13 | Daughter | — | Wash DC |
| 66 | James Nicholson | 40 | Head | — | Maryland |
| 67 | James Nicholson | 14 | Son | Helper | Wash DC |
| 68 | Gordon Nicholson | 5 | Son | — | Maryland |
| 69 | Grace Nicholson | 35 | Boarder | Caretaker | Maryland |
| 70 | Robert Lucas | 45 | Head | — | Wash DC |
| 71 | Susan Lucas | 40 | Boarder | Tailor | Maryland |
| 72 | Robert Lucas THIS PERSON | 14 | Son | Salesman | Virginia |
| 73 | Samuel Lucas | 13 | Son | Laborer | Virginia |
| 74 | Jessie Lucas | 11 | Daughter | — | Wash DC |
| 75 | Irene Lucas | 17 | Daughter | Domestic | Wash DC |
| 76 | Martha Lucas | 15 | Daughter | Clerk | Wash DC |
| 77 | Mary Lucas | 12 | Daughter | Domestic | Wash DC |
| 78 | Thelma Lucas | 10 | Daughter | — | Wash DC |
| 79 | Charles Johnston | 33 | Head | — | Virginia |
| 80 | Virgie Johnston | 34 | Wife | Merchant | Virginia |
| 81 | William Johnston | 11 | Son | — | Wash DC |
| 82 | Helen Johnston | 10 | Daughter | — | Wash DC |
| 83 | Ruth Johnston | 8 | Daughter | — | Virginia |
| 84 | Woodrow Johnston | 7 | Son | — | Wash DC |
| 85 | Milton Johnston | 4 | Son | — | Wash DC |
| 86 | William Driscoll | 55 | Head | — | Wash DC |
| 87 | Mary A Driscoll | 53 | Wife | Merchant | Wash DC |
| 88 | Frank Driscoll | 28 | Son | — | Wash DC |
| 89 | Maria Driscoll | 60 | Head | Clerk | Ireland |
| 90 | Ellen A Driscoll | 57 | Sister | — | Ireland |
| 91 | John A Sullivan | 35 | Head | Conductor | Maryland |
| 92 | Maude Sullivan | 31 | Wife | — | Virginia |
| 93 | Virginia Sullivan | 9 | Daughter | — | Wash DC |
| 94 | Marion Sullivan | 8 | Son | — | Virginia |
| 95 | Dorothy Sullivan | 6 | Daughter | — | Wash DC |
| 96 | William Sullivan | 2 | Son | — | Maryland |
| 97 | Robert Coney | 26 | Head | Clerk | Maryland |
| 98 | Mabel Coney | 31 | Wife | Clerk | Wash DC |
| 99 | Stella Coney | 60 | Boarder | — | Maryland |
| 100 | Charlotte Green | 24 | Boarder | Clerk | New York |
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)