RK
Robert Knight — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pinellas-County, Florida
Our Model Tree links this Robert Knight across the 1920, 1930 and 1940 US Censuses in Pinellas-County, Florida (XGBoost, ~Confirmed), with identified parents Robert & Mary — first a head (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pinellas-County, Florida |
| Surname | Knight |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Largo Town |
| 1935 Residence (County) | Pinellas |
| Additional Details | |
| Occupation | Principal |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2250 |
| Highest Grade | C-4 |
| 1935 Residence | Same House |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Principal |
| Township / Ward | Largo Town |
| Est. Birth Year | ~1901 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Knight | Daughter | — | 2 | ~1938 |
| Robert Knight | Head | — | 39 | ~1901 |
| Richard Knight | Son | — | 11 | ~1929 |
| Robert Knight | Son | — | 13 | ~1927 |
| Francis Knight | Son | — | 9 | ~1931 |
| Marguerite Knight | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Pinellas, Florida
Son, age 19
Pinellas, Florida · implied b. ~1901 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Robert J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Pinellas, Florida
Son, age 29
Pinellas, Florida · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 25 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Pinellas-County, Florida
Head, age 39
Pinellas-County, Florida · implied b. ~1901 — 6 household members
| Surname | Knight |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Largo Town |
| 1935 Residence (County) | Pinellas |
| Occupation | Principal |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2250 |
| Highest Grade | C-4 |
| 1935 Residence | Same House |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Knight across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Knight (~0.92 confidence) and mother Mary Knight (~0.92 confidence) and mother Mary Knight (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Knight
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Mary Knight
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Knight
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Knight
Head · 1940 · age 39 · b. ~1901 · Florida
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Pinellas-County, Florida
Open full size
1940 US Federal Census — Pinellas-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00611-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marquis L. Hall | 23 | Head | Permitman | Florida |
| 2 | Nettie J. Hall | 22 | Wife | — | South Carolina |
| 3 | O. O. Watford | 43 | Head | Pharmacist | Alabama |
| 4 | Lena Watford | 40 | Wife | — | Georgia |
| 5 | Otto Watford | 18 | Son | Salesman | Georgia |
| 6 | Dean Watford | 14 | Son | Salesman | Florida |
| 7 | J. B. Woodson | 37 | Head | Butcher | Georgia |
| 8 | Pauline Woodson | 38 | Wife | — | Georgia |
| 9 | Donald R. Judkins | 34 | Head | Assistant Manager | Maine |
| 10 | Louise Judkins | 30 | Wife | Teacher | Florida |
| 11 | Donna Louise Judkins | 3 | Daughter | — | Florida |
| 12 | Jennie D. Judkins | 72 | Mother | — | Maine |
| 13 | James Douglas Lewis | 63 | Head | Clergyman | Georgia |
| 14 | Corinne E. Lewis | 60 | Wife | — | Georgia |
| 15 | John T. Sauls | 80 | Head | — | South Carolina |
| 16 | Rosalie Sauls | 40 | Wife | — | South Carolina |
| 17 | Robert J. Knight THIS PERSON | 39 | Head | Principal | Florida |
| 18 | Marguerite W. Knight | 38 | Wife | — | Florida |
| 19 | Robert J. Knight | 13 | Son | — | Florida |
| 20 | Richard Knight | 11 | Son | — | Florida |
| 21 | Francis Knight | 9 | Son | — | Florida |
| 22 | Mary Ruth Knight | 2 | Daughter | — | Florida |
| 23 | Harold Morris | 39 | Head | Plumber | South Carolina |
| 24 | Lottie Morris | 37 | Wife | — | South Carolina |
| 25 | Bertie Morris | 17 | Daughter | — | South Carolina |
| 26 | Sudie Thomas | 60 | Head | Seamstress | Florida |
| 27 | George Chapman | 43 | Head | Laborer | Georgia |
| 28 | Lucy Chapman | 42 | Wife | — | Georgia |
| 29 | Lamar Chapman | 14 | Son | — | Georgia |
| 30 | Erma Chapman | 11 | Daughter | — | Georgia |
| 31 | Nathan Brunton | 29 | Head | Laborer | Georgia |
| 32 | Annie R. Brunton | 24 | Wife | Checker | South Carolina |
| 33 | Edwin W. Brunton | 6 | Son | — | Florida |
| 34 | Everard Martin | 63 | Head | Proprietor | England |
| 35 | Josephine Martin | 61 | Wife | — | Massachusetts |
| 36 | T. R. Durren | 45 | Head | Laborer | Georgia |
| 37 | Raye Durren | 28 | Wife | — | Georgia |
| 38 | J. L. Mcneal | 69 | Head | — | Georgia |
| 39 | Ada C. Mcneal | 62 | Wife | — | Florida |
| 40 | Bob Eurhart | 26 | Head | Fruit Picker | Illinois |
Pedigree Summary
Robert
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)