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John Murphy — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this John Murphy across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents P & John — first a son (b.~1899), then head of a 7-person household.
Age 21
b. ~1899
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Machinist |
| Industry | Starch Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Summit Village |
| Est. Birth Year | ~1899 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Murphy | Daughter | — | 18 | ~1902 |
| Patrick Murphy | Head | — | 49 | ~1871 |
| James Murphy | Son | — | 25 | ~1895 |
| William Murphy | Son | — | 22 | ~1898 |
| James Murphy | Son | — | 15 | ~1905 |
| John Murphy | Son | — | 21 | ~1899 |
| Mary Murphy | Spouse | — | 50 | ~1870 |
Census Appearances
1900
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Oct |
| Birth Year | 1898 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Years Married | Yes |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | English |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1899 — 7 household members
| Surname | Murphy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Machinist |
| Industry | Starch Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 John Murphy across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage. Identified parents: father P Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and father Patrick Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence) and mother Anna Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
P Murphy
b. ~1865
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Patrick Murphy
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1861
Source mother
● Household
· direct · ~0.92
Mother
Anna Murphy
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Murphy
Son · 1920 · age 21 · b. ~1899 · Illinois
★ You are viewing this record
Sibling
James Murphy
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Murphy
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Murphy
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Murphy
Sibling · 1920 · age 18
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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
48 people indexed on this census page (ia:1920:14thcensusofpopu360unit:1107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Serola | 8 | son | — | Illinois |
| 52 | Mike Serola | 6 | son | — | Illinois |
| 53 | Nikolas Serola | 5 | son | — | Illinois |
| 54 | Catherine Serola | 3 | daughter | — | Illinois |
| 55 | August Romecki | 47 | head | Engineer | Prussia |
| 56 | Christina Romecki | 41 | wife | — | Prussia |
| 57 | Mary Romecki | 9 | daughter | — | Illinois |
| 58 | Stanislaus Romecki | 24 | son | Laborer | Prussia |
| 59 | Harry Romecki | 20 | son | Laborer | Prussia |
| 60 | Frank Miller | 60 | head | Laborer | Germany |
| 61 | Rose Miller | 50 | wife | — | Germany |
| 62 | Joseph Russo | 53 | head | Laborer | Italy |
| 63 | Mary Russo | 35 | wife | — | Italy |
| 64 | Mary Russo | 16 | daughter | — | Illinois |
| 65 | Angeline Russo | 14 | daughter | — | Illinois |
| 66 | Mike Russo | 11 | son | — | Illinois |
| 67 | Santa Russo | 9 | daughter | — | Illinois |
| 68 | Peter Russo | 7 | son | — | Illinois |
| 69 | Frances Russo | 4 | daughter | — | Illinois |
| 70 | Virginia Russo | 3 | daughter | — | Illinois |
| 71 | Angeline Russo | 1 | daughter | — | Illinois |
| 72 | Herbert Van Ort | 34 | head | Laborer | Indiana |
| 73 | Velma Van Ort | 32 | wife | — | Indiana |
| 74 | Arthur Van Ort | 11 | son | — | Indiana |
| 75 | Herbert Van Ort | 8 | son | — | Illinois |
| 76 | Patrick Murphy | 49 | head | Engineer | Illinois |
| 77 | Mary Murphy | 50 | wife | — | Illinois |
| 78 | James Murphy | 25 | son | Asst. Cashier | Illinois |
| 79 | William Murphy | 22 | son | Engineer | Illinois |
| 80 | John Murphy THIS PERSON | 21 | son | Machinist | Illinois |
| 81 | Margaret Murphy | 18 | daughter | — | Illinois |
| 82 | James Murphy | 15 | son | Laborer | Illinois |
| 83 | John Denson | 34 | head | Engineer | Illinois |
| 84 | Florence Denson | 34 | wife | — | Illinois |
| 85 | Kenneth Denson | 10 | son | — | Illinois |
| 86 | Bernice Denson | 8 | daughter | — | Illinois |
| 87 | Elizabeth Denson | 1 | daughter | — | Illinois |
| 88 | C. F. Lydon | 54 | head | Superintendent | New York |
| 89 | Sarah Lydon | 43 | wife | — | Illinois |
| 90 | Norman Thomas Lydon | 12 | nephew | — | Illinois |
| 91 | Val John Lydon | 18 | nephew | Machinist | Illinois |
| 92 | Harry Neiman | 32 | head | Machinist | Illinois |
| 93 | Marie Neiman | 32 | wife | — | Illinois |
| 94 | Evelyn Neiman | 12 | daughter | — | Illinois |
| 95 | Robert Neiman | 10 | son | — | Illinois |
| 96 | Harry Neiman | 7 | son | — | Illinois |
| 97 | Mildred Neiman | 5 | daughter | — | Illinois |
| 98 | William Neiman | 1 | son | — | Illinois |
Pedigree Summary
John + 4 siblings
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 1920 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)