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Margaret Lane — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Lane across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Lane |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1926 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Lane | Daughter | — | 14 | ~1926 |
| Margaret Lane | Spouse | — | 40 | ~1900 |
| John Lane | Head | — | 51 | ~1889 |
| John Lane | Son | — | 12 | ~1928 |
| Helen Beckford | Other | — | 32 | ~1908 |
| William Lane | Son | — | 6 | ~1934 |
| Patricia Lane | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lane |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 14
Cook-County, Illinois · implied b. ~1926 — 7 household members
| Surname | Lane |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Margaret Lane across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Lane
Daughter · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Patricia Lane
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lane
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lane
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00959-00790)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur O Mccune | 50 | head | Salesman | Iowa |
| 2 | Ruth Mccune | 49 | wife | — | Iowa |
| 3 | John Mccune | 20 | son | — | Iowa |
| 4 | Patricia Mccune | 17 | daughter | — | Iowa |
| 5 | William Irvine | 48 | head | Credit Man | Kentucky |
| 6 | Theresa Irvine | 40 | wife | — | Kentucky |
| 7 | Mary Irvine | 7 | daughter | — | Illinois |
| 8 | John Lane | 51 | head | Accountant | Wisconsin |
| 9 | Margaret Lane | 40 | wife | — | Illinois |
| 10 | Margaret Lane THIS PERSON | 14 | daughter | — | Illinois |
| 11 | John Lane | 12 | son | — | Illinois |
| 12 | Patricia Lane | 8 | daughter | — | Illinois |
| 13 | William Lane | 6 | son | — | Illinois |
| 14 | Helen Beckford | 32 | maid | Maid | Iowa |
| 15 | Gordon Thompson | 53 | head | Manager | New Hampshire |
| 16 | Helen Thompson | 54 | wife | — | North Carolina |
| 17 | Void Thompson | None | void | Void | void |
| 18 | Joseph Thompson | 27 | son | Foreman | New Hampshire |
| 19 | Kenneth Thompson | 23 | son | — | New Hampshire |
| 20 | Philip S Harper | 46 | head | Chem. Eng. | New Jersey |
| 21 | Carolyn Harper | 40 | wife | — | Alabama |
| 22 | Philip Harper | 17 | son | — | Illinois |
| 23 | Lamar Harper | 12 | daughter | — | Illinois |
| 24 | Ida Irwin | 60 | head | — | Ohio |
| 25 | Lamar Charles Irwin | 23 | roomer | Sales Engineer | Alabama |
| 26 | Paul Lawler | 40 | head | Doctor | Illinois |
| 27 | Madeline Lawler | 38 | wife | — | Illinois |
| 28 | Paul Lawler | 11 | son | — | Illinois |
| 29 | Madeline Lawler | 10 | daughter | — | Illinois |
| 30 | Robert Lawler | 8 | son | — | Illinois |
| 31 | William Lawler | 6 | son | — | Illinois |
| 32 | John Lawler | 3 | son | — | Illinois |
| 33 | Martha Harier | 55 | maid | Maid | Wisconsin |
| 34 | John Quinn | 48 | head | Owner | Iowa |
| 35 | Dorothy Quinn | 47 | wife | — | Illinois |
| 36 | Gloria Quinn | 16 | daughter | — | Illinois |
| 37 | Edward Chalifoux | 39 | head | Lithographer | Illinois |
| 38 | Eleanor Chalifoux | 36 | wife | — | Illinois |
| 39 | Robert Chalifoux | 19 | son | — | Illinois |
| 40 | Edward C Chalifoux | 17 | son | — | Illinois |
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)