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Harry Mason — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Harry Mason across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 5-person household.
Age 47
b. ~1883
Male
Head
Born: Russia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Mason |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 26 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Russian |
| Home Owned/Rented | R |
| Home Value / Rent | 52.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Carpenter |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Florence Mason | Daughter | — | 14 | ~1916 |
| Harry Mason | Head | — | 47 | ~1883 |
| Joe Mason | Son | — | 18 | ~1912 |
| Andrew Mason | Son | — | 16 | ~1914 |
| Sarah Mason | Spouse | — | 41 | ~1889 |
Census Appearances
1920
Cook, Illinois
Head, age 36
Cook, Illinois · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1905 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Carpenter |
| Industry | Builder |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Home Owned/Rented | R |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Cook, Illinois
Head, age 47
Cook, Illinois · implied b. ~1883 — 5 household members
| Surname | Mason |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 26 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Russian |
| Home Owned/Rented | R |
| Home Value / Rent | 52.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Cook-County, Illinois
Head, age 60
Cook-County, Illinois · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Hardy |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 12 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Harry Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Harry Mason
Head · 1930 · age 47 · b. ~1883 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel461:1006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Driscoll | 48 | Head | Superintendent | Nebraska |
| 2 | Elizabeth Driscoll | 44 | Wife | — | Illinois |
| 3 | Charles Driscoll | 19 | Son | Clerk | Illinois |
| 4 | John Driscoll | 11 | Son | — | Illinois |
| 5 | Robert Driscoll | 3 | Son | — | Illinois |
| 6 | Agnes M. Driscoll | 18 | Daughter | — | Illinois |
| 7 | Catherine Driscoll | 12 | Daughter | — | Illinois |
| 8 | Margaret Driscoll | 6 | Daughter | — | Illinois |
| 9 | Edward March | 32 | Head | Chauffeur | Illinois |
| 10 | Evelyn March | 30 | Wife | — | Illinois |
| 11 | Edward March | 1 | Son | — | Illinois |
| 12 | Harry Time | 45 | Head | — | Irish Free State |
| 13 | Mary Time | 44 | Wife | — | Irish Free State |
| 14 | Richard Time | 12 | Son | — | Illinois |
| 15 | Harry Time | 40 | Head | Manager | England |
| 16 | Wife Time | 40 | Wife | — | Scotland |
| 17 | Thomas Murphy | 47 | Head | Salesman | Illinois |
| 18 | Alice Murphy | 43 | Wife | — | Illinois |
| 19 | Alice Murphy | 14 | Daughter | — | Illinois |
| 20 | Harry Mason THIS PERSON | 47 | Head | Carpenter | Russia |
| 21 | Sarah Mason | 41 | Wife | — | Russia |
| 22 | Joe Mason | 18 | Son | — | Illinois |
| 23 | Andrew Mason | 16 | Son | — | Illinois |
| 24 | Florence Mason | 14 | Daughter | — | Illinois |
| 25 | Harry Mason | 43 | Head | Laborer | Irish Free State |
| 26 | Mary E. Mason | 43 | Wife | — | Irish Free State |
| 27 | Cornelius Mason | 19 | Son | Helper | New York |
| 28 | John Mason | 17 | Son | Messenger Boy | New York |
| 29 | John Golligan | 33 | Head | — | Minnesota |
| 30 | Effie Golligan | 32 | Wife | — | Illinois |
| 31 | Effie Golligan | 3 | Daughter | — | Illinois |
| 32 | Gerald Neighbor | 38 | Boarder | Printer | Iowa |
| 33 | Siegfried Beckman | 34 | Head | Interior Decorator | Illinois |
| 34 | Isabel Beckman | 30 | Wife | — | Poland |
| 35 | Siegfried Beckman | 3 | Son | — | Illinois |
| 36 | Louis Gersten | 63 | Head | — | Wisconsin |
| 37 | Louise M. Gersten | 31 | Daughter | Bookkeeper | Illinois |
| 38 | George H. Gersten | 40 | Head | Credit Mgr | Illinois |
| 39 | Mary Gersten | 23 | Wife | — | Illinois |
| 40 | George Gersten | 3 | Son | — | Illinois |
| 41 | Hyland Read | 50 | Head | Sheet Metal Worker | Canada-English |
| 42 | Alice Read | 42 | Wife | — | Minnesota |
| 43 | Edward Read | 14 | Son | — | Wisconsin |
| 44 | William James | 56 | Head | Special Policeman | Irish Free State |
| 45 | Lawrence James | 23 | Head | Machinist | Iowa |
| 46 | Margaret James | 21 | Wife | — | Iowa |
| 47 | Lawrence James | 2 | Son | — | Iowa |
| 48 | Edward James | 1 | Son | — | Iowa |
| 49 | Margaret James | 6 | Daughter | — | Iowa |
| 50 | Florence James | 21 | Sister | Stenographer | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)