FC
Francis Clark — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Francis Clark across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 4-person household.
Age 37
b. ~1883
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Clark |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1903 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Policeman |
| Industry | City |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | ireland |
| Occupation | Policeman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1883 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Margaret Clark | Spouse | — | 36 | ~1884 |
| Francis Clark | Head | — | 37 | ~1883 |
| John Clark | Son | — | 6 | ~1914 |
| Timothy Clark | Son | — | 5 | ~1915 |
Census Appearances
1920
Cook, Illinois
Head, age 37
Cook, Illinois · implied b. ~1883 — 4 household members
| Surname | Clark |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1903 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Policeman |
| Industry | City |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Head, age 48
Cook, Illinois · implied b. ~1882 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 31 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Police |
| Industry | City Police Force |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Head, age 61
Cook-County, Illinois · implied b. ~1879 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Police Sergeant |
| Industry | Police Dept. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Francis Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Francis Clark
Head · 1920 · age 37 · b. ~1883 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu355unit:0129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emily Votava | 15 | Daughter | — | Illinois |
| 2 | Sylvia Votava | 10 | Daughter | — | Illinois |
| 3 | Ralph Jones | 37 | Head | Contractor | Illinois |
| 4 | Bessie Jones | 35 | Wife | — | Illinois |
| 5 | Arthur Jones | 14 | Son | — | Illinois |
| 6 | Ralph Jones | 11 | Son | — | Illinois |
| 7 | Alice Jones | 9 | Daughter | — | Illinois |
| 8 | Robert Jones | 7 | Son | — | Illinois |
| 9 | Janis Marie Jones | 1 | Daughter | — | Illinois |
| 10 | Charles Lundington | 67 | Head | — | England |
| 11 | Mary Lundington | 65 | Wife | — | Germany |
| 12 | Minnie Perkner | 33 | Head | — | Germany |
| 13 | Leona Perkner | 4 | Daughter | — | Illinois |
| 14 | Jerry Perkner | 3 | Son | — | Illinois |
| 15 | Robert Perkner | 2 | Son | — | Illinois |
| 16 | Karl Krabig | 45 | Head | Agent | Germany |
| 17 | Barbara Krabig | 43 | Wife | — | Germany |
| 18 | Anna Krabig | 18 | Daughter | Stenographer | Illinois |
| 19 | Mary Krabig | 16 | Daughter | Stenographer | Illinois |
| 20 | Karl Krabig | 14 | Son | — | Illinois |
| 21 | Robert Krabig | 4 | Son | — | Illinois |
| 22 | Maurice Loras | 39 | Head | Machinist | France |
| 23 | Charles Loras | 18 | Son | — | Illinois |
| 24 | Maurice Loras | 16 | Son | — | Illinois |
| 25 | Edward Hurst | 43 | Head | — | Rhode Island |
| 26 | Anna Hurst | 40 | Wife | — | Illinois |
| 27 | Joseph Hurst | 21 | Son | — | Illinois |
| 28 | Mildred Hurst | 18 | Daughter | — | Illinois |
| 29 | Alice Hurst | 16 | Daughter | — | Illinois |
| 30 | George Hurst | 13 | Son | — | Illinois |
| 31 | Raymond Hurst | 11 | Son | — | Illinois |
| 32 | Thomas Colby | 54 | Head | Foreman | Indiana |
| 33 | Helen Colby | 48 | Wife | — | Indiana |
| 34 | Parker Colby | 12 | Son | — | Illinois |
| 35 | Helen Colby | 10 | Daughter | — | Illinois |
| 36 | Margaret Colby | 8 | Daughter | — | Illinois |
| 37 | Richard Meidrich | 42 | Head | Printer | Germany |
| 38 | Bessie Meidrich | 40 | Wife | — | Germany |
| 39 | Sylvia Meidrich | 18 | Daughter | Stenographer | Illinois |
| 40 | Blanche Meidrich | 14 | Daughter | — | Illinois |
| 41 | Arthur Meidrich | 11 | Son | — | Illinois |
| 42 | Frank Riley | 50 | Head | Musician | Germany |
| 43 | Josephine Riley | 47 | Wife | — | Germany |
| 44 | Anna Riley | 21 | Daughter | Stenographer | Illinois |
| 45 | Emily Riley | 20 | Daughter | Stenographer | Illinois |
| 46 | Elsie Riley | 16 | Daughter | — | Illinois |
| 47 | Francis Clark THIS PERSON | 37 | Head | Policeman | Ireland |
| 48 | Margaret Clark | 36 | Wife | — | Ireland |
| 49 | John Clark | 6 | Son | — | Illinois |
| 50 | Timothy Clark | 5 | Son | — | Illinois |
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)