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John Murray — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Murray across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 5-person household.
Age 51
b. ~1879
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Murray |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Superintendent |
| Industry | City park |
| Class of Worker | 9093 |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Superintendent |
| Township / Ward | Calumet City City |
| Est. Birth Year | ~1879 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Helen Murray | Daughter | — | 20 | ~1910 |
| Agnes Murray | Daughter | — | 21 | ~1909 |
| Marian Murray | Daughter | — | 14 | ~1916 |
| John Murray | Head | — | 51 | ~1879 |
| Annie Murray | Spouse | — | 43 | ~1887 |
Census Appearances
1910
Cook, Illinois
Head, age 30
Cook, Illinois · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 3 |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Saloon |
| Industry | Bartender |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Cook, Illinois
Head, age 41
Cook, Illinois · implied b. ~1879 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Painter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | French |
| Birth Country | Ireland |
| Year of Naturalization | R |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Head, age 51
Cook, Illinois · implied b. ~1879 — 5 household members
| Surname | Murray |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Superintendent |
| Industry | City park |
| Class of Worker | 9093 |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 2000 |
| Radio Set | R |
| 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 John Murray across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
John Murray
Head · 1930 · age 51 · b. ~1879 · 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
13 people indexed on this census page (ia:1930:illinoiscensus00reel508:0807)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harriet Stelling | 10 | Daughter | — | Illinois |
| 2 | John Murray THIS PERSON | 51 | Head | Superintendent | Ireland |
| 3 | Annie Murray | 43 | Wife | — | Germany |
| 4 | Agnes Murray | 21 | Daughter | Secretary | Illinois |
| 5 | Helen Murray | 20 | Daughter | — | Illinois |
| 6 | Marian Murray | 14 | Daughter | — | Illinois |
| 7 | Edward Clark | 37 | Head | Attendant | Indiana |
| 8 | Katherine Clark | 32 | Wife | — | Indiana |
| 9 | Patrick Clark | 10 | Son | — | Illinois |
| 10 | Mary Clark | 7 | Daughter | — | Illinois |
| 11 | Edward Clark | 5 | Son | — | Illinois |
| 12 | Joseph Clark | 3 | Son | — | Illinois |
| 13 | Catherine Clark | 1 | Son | — | Illinois |
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)