JM
John Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macomb-County, Michigan
Our Model Tree links this John Murphy across the 1920, 1930 and 1940 US Censuses in Macomb-County, Michigan (XGBoost, ~Confirmed), with identified parents Jay & Joseph — first a son (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Male
Son
Born: MICHIGAN
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Macomb-County, Michigan |
| Surname | MURPHY |
| Given Name | JOHN |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | MICHIGAN |
| 1935 Residence (City) | Victory Twp |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Highest Grade | No H-4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Victory Twp |
| Est. Birth Year | ~1912 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rita Murphy | Daughter | — | 19 | ~1921 |
| Joseph Murphy | Head | — | 69 | ~1871 |
| John Murphy | Son | — | 28 | ~1912 |
| Alfred Murphy | Son | — | 27 | ~1913 |
| Charlotte Murphy | Spouse | — | 56 | ~1884 |
| Alice Murphy | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Macomb, Michigan
Son, age 8
Macomb, Michigan · implied b. ~1912 — 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 | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Macomb, Michigan
Son, age 18
Macomb, Michigan · implied b. ~1912 — 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 | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | VV |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Macomb-County, Michigan
Son, age 28
Macomb-County, Michigan · implied b. ~1912 — 6 household members
| Surname | MURPHY |
| Given Name | JOHN |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | MICHIGAN |
| 1935 Residence (City) | Victory Twp |
| 1935 Residence (County) | Mason |
| Highest Grade | No H-4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jay Murphy (~0.92 confidence) and father Joseph Murphy (~0.92 confidence) and father Joseph Murphy (~0.92 confidence) and mother Charlotte Murphy (~0.92 confidence) and mother Alice Murphy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jay Murphy
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Joseph Murphy
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Joseph Murphy
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Charlotte Murphy
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Alice Murphy
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Murphy
Son · 1940 · age 28 · b. ~1912 · Michigan
★ You are viewing this record
Sibling
Alfred Murphy
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Murphy
Sibling · 1940 · age 19
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 — Macomb-County, Michigan
Open full size
1940 US Federal Census — Macomb-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01784-00286)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Rehberg | 58 | HEAD | Farmer | MICHIGAN |
| 42 | Meta Rehberg | 53 | WIFE | — | MICHIGAN |
| 43 | Milton Rehberg | 22 | SON | — | MICHIGAN |
| 44 | Arthur Priehs | 51 | HEAD | Farmer | MICHIGAN |
| 45 | Florence Priehs | 49 | WIFE | — | MICHIGAN |
| 46 | Josephine Priehs | 22 | DAUGHTER | — | MICHIGAN |
| 47 | Geneva Priehs | 18 | DAUGHTER | Salesgirl | MICHIGAN |
| 48 | Joseph C. Murphy | 69 | HEAD | Farmer | MICHIGAN |
| 49 | Charlotte Murphy | 56 | WIFE | — | MICHIGAN |
| 50 | John Murphy THIS PERSON | 28 | SON | — | MICHIGAN |
| 51 | Alfred Murphy | 27 | SON | — | MICHIGAN |
| 52 | Rita Murphy | 19 | DAUGHTER | — | MICHIGAN |
| 53 | Alice Murphy | 62 | WIFE | — | MICHIGAN |
| 54 | Ignatius Murphy | 74 | HEAD | Farmer | MICHIGAN |
| 55 | Loren Elder | 34 | HEAD | Machinist | ILLINOIS |
| 56 | Julia Elder | 26 | WIFE | — | ILLINOIS |
| 57 | Russell Elder | 7 | SON | — | MICHIGAN |
| 58 | Louise Elder | 5 | DAUGHTER | — | MICHIGAN |
| 59 | Louis Elder | 5 | SON | — | MICHIGAN |
| 60 | Stella Cherka | 44 | HEAD | Farmer | POLAND |
| 61 | Lewis Eugene Cherka | 26 | SON | Laborer | ILLINOIS |
| 62 | Frank Kulik | 45 | HEAD | Laborer | POLAND |
| 63 | Mary Kulik | 43 | WIFE | — | POLAND |
| 64 | Frank Jr. Kulik | 18 | SON | — | MICHIGAN |
| 65 | Theodore Kulik | 16 | SON | — | MICHIGAN |
| 66 | Alfred Kollmorgan | 41 | HEAD | Farmer | MICHIGAN |
| 67 | Esther Kollmorgan | 40 | WIFE | — | MICHIGAN |
| 68 | Eileen Kollmorgan | 18 | DAUGHTER | — | MICHIGAN |
| 69 | Betty Kollmorgan | 10 | DAUGHTER | — | MICHIGAN |
| 70 | John Redlawska | 46 | HEAD | Farmer | MICHIGAN |
| 71 | Marie Redlawska | 37 | WIFE | — | MICHIGAN |
| 72 | Clarence Redlawska | 17 | SON | — | MICHIGAN |
| 73 | Sylvia Redlawska | 14 | DAUGHTER | — | MICHIGAN |
| 74 | Edmund Redlawska | 13 | SON | — | MICHIGAN |
| 75 | Eleanor Redlawska | 9 | DAUGHTER | — | MICHIGAN |
| 76 | Margaret Redlawska | 8 | DAUGHTER | — | MICHIGAN |
| 77 | Harvey Redlawska | 7 | SON | — | MICHIGAN |
| 78 | Dorothy Redlawska | 5 | DAUGHTER | — | MICHIGAN |
| 79 | August Redlawska | 3 | SON | — | MICHIGAN |
| 80 | Philomina Redlawska | 1 | DAUGHTER | — | MICHIGAN |
Pedigree Summary
John + 2 siblings
Gen 1 · 5 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)