EM
Elizabeth Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Elizabeth Murphy across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Joseph & Margaret — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Commercial |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Commercial |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1915 |
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 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Murphy | Daughter | — | 25 | ~1915 |
| Joseph Nigran | Head | — | 65 | ~1875 |
| Carol Murphy | Other | — | 5 | ~1935 |
| William Murphy | Other | — | 28 | ~1912 |
| Nola Nigran | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 14
Cook, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 25
Cook-County, Illinois · implied b. ~1915 — 5 household members
| Surname | Murphy |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Commercial |
| Industry | Telephone |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 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 Elizabeth Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Nigran (~0.92 confidence) and mother Margaret Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and mother Nola Nigran (~0.92 confidence) and father Frank Murphy (~0.92 confidence) and mother Catherine Murphy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Nigran
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Margaret Murphy
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
John Murphy
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Nola Nigran
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Frank Murphy
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Catherine Murphy
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Murphy
Daughter · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
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-t0627-00935-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lowell Boggs | 43 | Head | Bookkeeper | Indiana |
| 2 | Mildred Boggs | 36 | Wife | — | Indiana |
| 3 | Richard Boggs | 4 | Son | — | Illinois |
| 4 | James Schroeder | 68 | Father-in-law | Foreman | Indiana |
| 5 | Emma Leaders | 50 | Head | Millinery | Indiana |
| 6 | Lillian Cross | 67 | Lodger | — | Illinois |
| 7 | James Norton | 71 | Lodger | — | Minnesota |
| 8 | John Harvey | 52 | Head | Ranger | England |
| 9 | Clara Harvey | 49 | Wife | — | Illinois |
| 10 | Charles Olson | 57 | Head | Blast Furnace | Sweden |
| 11 | Annie Olson | 54 | Wife | — | Sweden |
| 12 | Kenneth Olson | 27 | Son | Welding | Illinois |
| 13 | Marchiline Olson | 19 | Daughter | Typist | Illinois |
| 14 | Joseph Nigran | 65 | Head | — | Sweden |
| 15 | Nola Nigran | 59 | Wife | — | Ireland |
| 16 | William Murphy | 28 | Son-in-law | Accountant | Illinois |
| 17 | Elizabeth Murphy THIS PERSON | 25 | Daughter | Commercial | Illinois |
| 18 | Carol Murphy | 5 | Granddaughter | — | Illinois |
| 19 | William Trautvetter | 57 | Head | Pharmacist | Illinois |
| 20 | Louise Trautvetter | 52 | Wife | — | Illinois |
| 21 | Madeline Newburg | 50 | Sister-in-law | — | Illinois |
| 22 | Harry Gowett | 48 | Friend | Tool & Die | England |
| 23 | Fredrick Walters | 36 | Head | Chemist | Michigan |
| 24 | Dorothy Walters | 36 | Wife | — | Wisconsin |
| 25 | Betty Walters | 12 | Daughter | — | Illinois |
| 26 | William Upright | 44 | Head | Manager | New York |
| 27 | Margaret Upright | 35 | Wife | — | Illinois |
| 28 | Mary Upright | 5 | Daughter | — | Illinois |
| 29 | James Upright | 4 | Son | — | Illinois |
| 30 | George Walker | 49 | Head | Route Agent | Michigan |
| 31 | Sophia Walker | 49 | Wife | — | Illinois |
| 32 | William Lange | 29 | Head | Accountant | Illinois |
| 33 | Mary Lange | 29 | Wife | — | New York |
| 34 | Robert Lange | 6 | Son | — | Illinois |
| 35 | William Jr. Lange | 2 | Son | — | Illinois |
| 36 | Bruce Caldwell | 45 | Head | Auditor | Canada |
| 37 | Emily Caldwell | 45 | Wife | — | Canada |
| 38 | Frank Tritton | 40 | Head | Customs Ser. | England |
| 39 | Lydia Tritton | 43 | Wife | — | Wisconsin |
| 40 | Richard Tritton | 16 | Son | Delivery | Wisconsin |
Pedigree Summary
Elizabeth
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)