CR
Charles Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harris-County, Texas
Our Model Tree links this Charles Robertson across the 1930 and 1940 US Censuses in Harris-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harris-County, Texas |
| Surname | Robertson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Additional Details | |
| Occupation | Dental Laboratory helper |
| Industry | Dental Laboratory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 80 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Dental Laboratory Helper |
| Township / Ward | Houston |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Anita Robertson | Daughter | — | 16 | ~1924 |
| Margaret Drenkle | Daughter | — | 24 | ~1916 |
| Olah Robertson | Spouse | — | 36 | ~1904 |
| Charles Robertson | Head | — | 49 | ~1891 |
| Sarah Robertson | Daughter | — | 3 | ~1937 |
| Rosemary Robertson | Daughter | — | 8 | ~1932 |
| Charles Robertson | Son | — | 22 | ~1918 |
| Luke Drenkle | Other | — | 42 | ~1898 |
Census Appearances
1930
Harris, Texas
Son, age 12
Harris, Texas · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Harris-County, Texas
Son, age 22
Harris-County, Texas · implied b. ~1918 — 8 household members
| Surname | Robertson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Occupation | Dental Laboratory helper |
| Industry | Dental Laboratory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 80 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Charles Robertson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Robertson
Son · 1940 · age 22 · b. ~1918 · Texas
★ You are viewing this record
Sibling
Rosemary Robertson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Robertson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Robertson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Drenkle
Sibling · 1940 · age 24
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
1940 US Federal Census — Harris-County, Texas
Open full size
1940 US Federal Census — Harris-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04192-00358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willie Stokely | 31 | Head | Pipe Fitter | Texas |
| 2 | Mary Frances Stokely | 23 | Wife | — | Texas |
| 3 | Carlton Randall | 29 | Head | Salesman | Kansas |
| 4 | Nola Randall | 29 | Wife | Saleslady | Missouri |
| 5 | Grace Cooper | 60 | Mother in law | Nurse | Missouri |
| 6 | Charles Perry | 54 | Head | Fireman | Texas |
| 7 | Renda Perry | 43 | Wife | Fireman | Texas |
| 8 | John Wenck | 26 | Head | Gasoline Salesman | Texas |
| 9 | Ida Wenck | 24 | Wife | — | Texas |
| 10 | John Wenck | 1 | Son | — | Texas |
| 11 | William Galbreath | 54 | Head | Policeman | Texas |
| 12 | Clara Galbreath | 51 | Wife | — | Texas |
| 13 | Cecil M Webb | 27 | Head | Floor Surfacer | Texas |
| 14 | Margaret Webb | 32 | Wife | Secretary | Texas |
| 15 | Leland Card | 32 | Head | Teacher | Mississippi |
| 16 | Elda Card | 29 | Wife | — | Oklahoma |
| 17 | Sally Card | 60 | Head | — | Alabama |
| 18 | Wallace Wilkerson | 26 | Lodger | Salesman | Wyoming |
| 19 | Mildred Wilkerson | 22 | Lodger | Secretary | Texas |
| 20 | Charles Robertson | 49 | Head | Salesman | Texas |
| 21 | Olah Robertson | 36 | Wife | — | Texas |
| 22 | Charles Robertson THIS PERSON | 22 | Son | Dental Laboratory Helper | Texas |
| 23 | Anita Robertson | 16 | Daughter | — | Texas |
| 24 | Rosemary Robertson | 8 | Daughter | — | Texas |
| 25 | Sarah Ann Robertson | 3 | Daughter | — | Texas |
| 26 | Margaret Drenkle | 24 | Daughter | — | Texas |
| 27 | Luke Drenkle | 42 | Son in law | Teacher | Texas |
| 28 | Marvin Leslie Greeny | 44 | Head | Bookbinder | Texas |
| 29 | Florence Greeny | 44 | Wife | — | Pennsylvania |
| 30 | Leslie J Greeny | 22 | Son | Research Worker | Texas |
| 31 | Evelyn Greeny | 19 | Daughter | Saleslady | Texas |
| 32 | Charles Quinn | 19 | Lodger | Clerk | Texas |
| 33 | Alfred Arty | 42 | Head | Accountant | Texas |
| 34 | Florence Arty | 33 | Wife | — | Texas |
| 35 | Alfred Arty | 13 | Son | — | Texas |
| 36 | John Arty | 9 | Son | — | Texas |
| 37 | Paul Arty | 7 | Son | — | Texas |
| 38 | William Engelbrecht | 54 | Head | Roundhouse Mechanic | Iowa |
| 39 | Rosa Engelbrecht | 52 | Wife | — | Texas |
| 40 | Leonard Engelbrecht | 28 | Son | Engraver | Texas |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)