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Mabel Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mabel Brown across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 2-person household.
Age 62
b. ~1878
Female
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Brown |
| Given Name | Mabel |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Piano Teacher |
| Industry | Own studio |
| Class of Worker | OA |
| Hours Worked | 5 |
| Income (1939) | 2891 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Piano Teacher |
| Township / Ward | Chicago |
| Est. Birth Year | ~1878 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mabel | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Brown | Daughter | — | 32 | ~1908 |
| Mabel Brown | Head | — | 62 | ~1878 |
Census Appearances
1920
Cook, Illinois
Spouse, age 42
Cook, Illinois · implied b. ~1878 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Cook, Illinois
Spouse, age 52
Cook, Illinois · implied b. ~1878 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 27 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Cook-County, Illinois
Head, age 62
Cook-County, Illinois · implied b. ~1878 — 2 household members
| Surname | Brown |
| Given Name | Mabel |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Piano Teacher |
| Industry | Own studio |
| Class of Worker | OA |
| Hours Worked | 5 |
| Income (1939) | 2891 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Mabel Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mabel Brown
Head · 1940 · age 62 · b. ~1878 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00930-00066)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabel Carlton | 44 | Wife | — | Kentucky |
| 42 | Margaret Sheffler | 50 | Head | Social Worker | Ohio |
| 43 | Amelia Bach | 23 | Partner | — | California |
| 44 | Lefre Cotton | 31 | Partner | — | California |
| 45 | Eugene Leiling | 48 | Head | Professor Of Pharmacology | South Africa |
| 46 | James Carberry | 41 | Houseman | Houseman | Maryland |
| 47 | William Bower | 62 | Head | Professor | Ohio |
| 48 | Irene Bower | 64 | Wife | — | Ohio |
| 49 | Leopoldine Ackerman | 51 | Head | Manager | Romania |
| 50 | Dorothy Ackerman | 21 | Daughter | Nurse | Indiana |
| 51 | Gregory Oetman | 54 | Lodger | Janitor | Yugo-Slavia |
| 52 | Edith Flinn | 66 | Head | — | Ohio |
| 53 | Archibald Galloway | 28 | Head | Salesman | Missouri |
| 54 | Phyllis Galloway | 25 | Wife | — | Kansas |
| 55 | Ira Wageman | 42 | Head | American History Teacher | Ohio |
| 56 | Mildred Wageman | 35 | Wife | — | Ohio |
| 57 | Mabel Brown THIS PERSON | 62 | Head | Piano Teacher | England |
| 58 | Dorothy Brown | 32 | Daughter | Piano Teacher | Illinois |
| 59 | Francis Horrigan | 40 | Head | Advertising Salesman | New York |
| 60 | Robert Orrick | 46 | Partner | Organist | Illinois |
| 61 | Margaret Bala | 75 | Patient | — | New York |
| 62 | Julius N. Harris | 40 | Head | Athletic Teacher | Iowa |
| 63 | Belle Harris | 30 | Wife | — | Illinois |
| 64 | Eleanor Harris | 4 | Daughter | — | Illinois |
| 65 | William Newman | 31 | Head | Psychologist | New York |
| 66 | Helen Newman | 33 | Wife | — | Maryland |
| 67 | Alice Newman | 2 | Daughter | — | Illinois |
| 68 | Frances Gillespie | 45 | Head | Teacher | Texas |
| 69 | Elizabeth Williams | 39 | Head | Church Secretary | Illinois |
| 70 | John Williams | 13 | Son | — | Illinois |
| 71 | Charles Williams | 11 | Son | — | Illinois |
| 72 | Ira Belen Haught | 46 | Head | Professor | Virginia |
| 73 | Preston Haught | 45 | Wife | Clinic Work | Virginia |
| 74 | Jesse Fritch | 11 | Head | — | Ohio |
| 75 | Jean Alice Fritch | 28 | Daughter | Secretary | Ohio |
| 76 | Edwin Burrah | 38 | Head | Lawyer | Iowa |
| 77 | Roberta Burrah | 34 | Wife | — | Michigan |
| 78 | Jonathan Burrah | 12 | Son | — | Illinois |
| 79 | Herbert Templeton | 24 | Head | Manager Of Apartments | Wisconsin |
| 80 | Lucille Templeton | 27 | Wife | — | Wisconsin |
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)