FH
Frances Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Frances Harris across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Hugh & Hugh — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Harris |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline city |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Office clerk |
| Industry | Farm implement manufacturer |
| Class of Worker | PW |
| Income (1939) | 880 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Office Clerk |
| Township / Ward | Moline City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frances | Age | Birth yr |
|---|---|---|---|---|
| Hugh Harris | Head | — | 51 | ~1889 |
| Helen Harris | Spouse | — | 49 | ~1891 |
| Frances Harris | Daughter | — | 21 | ~1919 |
| Guy Brown | Other | — | 23 | ~1917 |
| John Walker | Other | — | 57 | ~1883 |
Census Appearances
1920
Rock Island, …
Daughter, age 1
Rock Island, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Daughter, age 11
Rock Island, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Daughter, age 21
Rock-Island-County, Illinois · implied b. ~1919 — 5 household members
| Surname | Harris |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline city |
| 1935 Residence (County) | Rock Island |
| Occupation | Office clerk |
| Industry | Farm implement manufacturer |
| Class of Worker | PW |
| Income (1939) | 880 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Frances Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hugh Harris (~0.92 confidence) and father Hugh Harris (~0.92 confidence) and mother Helen Harris (~0.92 confidence) and mother Helen Harris (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hugh Harris
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Hugh Harris
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Helen Harris
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Helen Harris
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frances Harris
Daughter · 1940 · age 21 · b. ~1919 · Illinois
★ 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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00882)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank M. Cottrell | 49 | Head | — | Kansas |
| 42 | Irene Cottrell | 49 | Wife | — | Illinois |
| 43 | Henry M. Cottrell | 22 | Son | Lathe-Operator | Tennessee |
| 44 | Frank M. Jr. Cottrell | 15 | Son | Automobile | Mississippi |
| 45 | Raymond Douglas | 32 | Head | Electrical Instrument Assembler | Illinois |
| 46 | Beulah Douglas | 30 | Wife | — | Illinois |
| 47 | Dolores Douglas | 7 | Daughter | — | Illinois |
| 48 | Victor Wheats | 25 | Lodger | Laborer | Kentucky |
| 49 | Cornelius Vandervoort | 80 | Head | Night Watchman | Iowa |
| 50 | Sarah Vandervoort | 73 | Wife | — | Missouri |
| 51 | Mabel Vandervoort | 50 | Daughter | — | Iowa |
| 52 | William P. Broderick | 50 | Head | Furniture Salesman | Iowa |
| 53 | Adelaide H. Broderick | 50 | Wife | — | Iowa |
| 54 | Carl W. Broderick | 23 | Son | Machine Operator | Iowa |
| 55 | Lois E. Broderick | 22 | Daughter | — | Iowa |
| 56 | Marie H. Hamilton | 56 | Lodger | Practical Nurse | England |
| 57 | J. Fred Forslund | 63 | Head | Tool Grinder | Illinois |
| 58 | Forslund | 58 | Wife | — | Illinois |
| 59 | Carl G. Bookman | 64 | Head | Touch Up Painter Of Automobiles | Illinois |
| 60 | Mabel P. Bookman | 63 | Wife | — | Illinois |
| 61 | Kenneth E. Bookman | 35 | Son | Set Up Man Machinery | Illinois |
| 62 | Marie C. Bookman | 31 | Daughter-in-law | — | Illinois |
| 63 | Donald K. Bookman | 6 | Grandson | — | Illinois |
| 64 | Florence M. Bookman | 4 | Granddaughter | — | Illinois |
| 65 | James L. Bookman | 1 | Grandson | — | Illinois |
| 66 | Hollis L. Wilkinson | 24 | Head | Shear Helper | Iowa |
| 67 | Kathryn Wilkinson | 25 | Wife | — | Iowa |
| 68 | Alice A. Hoover | 62 | Head | — | Iowa |
| 69 | Lynn H. Hoover | 30 | Son | Machinist Farm Implement Manufacturer | Illinois |
| 70 | May W. Hoover | 35 | Daughter-in-law | Typist Bookkeeper | Illinois |
| 71 | Hugh H. Harris | 51 | Head | Welder | Illinois |
| 72 | Helen Harris | 49 | Wife | — | Iowa |
| 73 | Frances Harris THIS PERSON | 21 | Daughter | Office Clerk | Illinois |
| 74 | Guy Brown | 23 | Lodger | Tool Clerk | Illinois |
| 75 | John W. Walker | 57 | Lodger | Barber | Iowa |
| 76 | Robert F. Conley | 64 | Head | Carpenter | Illinois |
| 77 | Isabella G. Conley | 72 | Partner | — | Illinois |
| 78 | Rena A. Wilson | 57 | Head | — | Arkansas |
| 79 | Leland T. Wilson | 30 | Son | Caretaker Assistant | Illinois |
| 80 | Alice M. Wilson | 19 | Daughter | — | Illinois |
Pedigree Summary
Frances
Gen 1 · 4 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)