FK
Frank Knight — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Frank Knight across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Knight |
| Given Name | Frank M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Helper |
| Industry | Spring Manufacturing |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 400 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Helper |
| Township / Ward | Everett City |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Owen Knight | Son | — | 15 | ~1925 |
| Edna Knight | Daughter | — | 19 | ~1921 |
| Louise Knight | Spouse | — | 51 | ~1889 |
| Joseph Knight | Head | — | 52 | ~1888 |
| Elving Knight | Son | — | 24 | ~1916 |
| Granthin Knight | Son | — | 26 | ~1914 |
| Frank Knight | Son | — | 23 | ~1917 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Barbados B.W.I. |
| Mother's Birthplace | Barbados B.W.I. |
| Occupation | none |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Frank M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Barbados |
| Mother's Birthplace | Barbados |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 23
Middlesex-County, Massachusetts · implied b. ~1917 — 7 household members
| Surname | Knight |
| Given Name | Frank M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Occupation | Helper |
| Industry | Spring Manufacturing |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 400 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Frank Knight across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Knight (~0.92 confidence) and father Joseph Knight (~0.92 confidence) and father Louis Knight (~0.92 confidence) and mother Delory Knight (~0.92 confidence) and mother Louise Knight (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Knight
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Joseph Knight
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Louis Knight
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Delory Knight
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Louise Knight
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Knight
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Elving Knight
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Knight
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Granthin Knight
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Knight
Sibling · 1940 · age 19
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01604-00520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose M. Cortol | 28 | Wife | Plasterer | Massachusetts |
| 2 | John De Blassi | 41 | Head | Plasterer | Massachusetts |
| 3 | Catherine De Blassi | 33 | Wife | — | Massachusetts |
| 4 | Mildred De Blassi | 13 | Daughter | — | Massachusetts |
| 5 | Joseph De Blassi | 9 | Son | — | Massachusetts |
| 6 | Rosli De Blassi | 7 | Son | — | Massachusetts |
| 7 | Charles De Blassi | 5 | Son | — | Massachusetts |
| 8 | Joan De Blassi | 3 | Daughter | — | Massachusetts |
| 9 | John B. Farioli | 51 | Head | Sprayer | Italy |
| 10 | Emma Farioli | 42 | Wife | — | Portugal |
| 11 | James O. Farioli | 13 | Son | — | Massachusetts |
| 12 | Theresa N. Farioli | 10 | Daughter | — | Massachusetts |
| 13 | Alfred N. Farioli | 8 | Son | — | Massachusetts |
| 14 | Eleanor M. Farioli | 6 | Daughter | — | Massachusetts |
| 15 | John F. Veary | 22 | Step-son | Apprentice | Massachusetts |
| 16 | Edward W. Veary | 19 | Step-son | — | Massachusetts |
| 17 | Theresa M. Coviello | 28 | Head | — | Massachusetts |
| 18 | Paul Coviello | 6 | Son | — | Massachusetts |
| 19 | Edgar H. Jackson | 25 | Head | Picker | Massachusetts |
| 20 | Evelyn S. Jackson | 25 | Wife | — | Massachusetts |
| 21 | John C. Jackson | 5 | Son | — | Massachusetts |
| 22 | David A. Jackson | 3 | Son | — | Massachusetts |
| 23 | Philip L. Jackson | 0 | Son | — | Massachusetts |
| 24 | Harry Gelokovitz | 77 | Head | Junk Man | Russia |
| 25 | Fannie Gelokovitz | 72 | Wife | — | Russia |
| 26 | Norman Cummings | 32 | Head | Laborer | Massachusetts |
| 27 | Elizabeth Cummings | 30 | Wife | — | Massachusetts |
| 28 | James N. Cummings | 4 | Son | — | Massachusetts |
| 29 | Robert S. Cummings | 3 | Son | — | Massachusetts |
| 30 | Joseph N. Knight | 52 | Head | Bedmaker & Sorter | British West Indies |
| 31 | Louise W. Knight | 51 | Wife | — | British West Indies |
| 32 | Granthin D. Knight | 26 | Son | Odd Jobman | British West Indies |
| 33 | Elving Knight | 24 | Son | — | Massachusetts |
| 34 | Frank M. Knight THIS PERSON | 23 | Son | Helper | Massachusetts |
| 35 | Edna C. Knight | 19 | Daughter | General House | Massachusetts |
| 36 | Owen H. Knight | 15 | Son | — | Massachusetts |
| 37 | Patsy R. Sumone | 28 | Head | Machine Embroiderer | Massachusetts |
| 38 | Annette Sumone | 26 | Wife | — | Massachusetts |
| 39 | Concetta Sumone | 6 | Daughter | — | Massachusetts |
| 40 | Stephen P. Sumone | 2 | Son | — | Massachusetts |
Pedigree Summary
Frank + 4 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 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)