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John Murray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Murray across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Harry & George — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Murray |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Attendant |
| Township / Ward | Chelsea |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| George Murray | Head | — | 58 | ~1882 |
| Extra Murray | Other | — | — | |
| John Murray | Son | — | 28 | ~1912 |
| Ursula Murray | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 8
Suffolk, Massachusetts · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 18
Suffolk, Massachusetts · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 28
Suffolk-County, Massachusetts · implied b. ~1912 — 4 household members
| Surname | Murray |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelsea |
| 1935 Residence (County) | Suffolk |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Murray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Murray (~0.92 confidence) and father George Murray (~0.92 confidence) and father George Murray (~0.92 confidence) and mother Ursula Murray (~0.92 confidence) and mother Mildred Murray (~0.92 confidence) and mother Sarah Murray (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Murray
b. ~1882
Source father
● Household
· direct · ~0.92
Father
George Murray
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Murray
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Ursula Murray
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mildred Murray
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Sarah Murray
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Murray
Son · 1940 · age 28 · b. ~1912 · Massachusetts
★ 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01642-00328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George W Murray | 58 | Head | Rigger | Newfoundland |
| 2 | Ursula Murray | 48 | Wife | — | Newfoundland |
| 3 | John F Murray THIS PERSON | 28 | Son | Attendant | Massachusetts |
| 4 | Extra Line Murray | None | — | — | — |
| 5 | Martin Willmuth | 45 | Head | Buffer | Massachusetts |
| 6 | Ruth D Willmuth | 40 | Wife | — | Massachusetts |
| 7 | Elmer Willmuth | 22 | Son | General Work | Massachusetts |
| 8 | Shirley Willmuth | 21 | Daughter | Clockmaker | Massachusetts |
| 9 | Milton Elfman | 27 | Head | Laborer | Massachusetts |
| 10 | Betty Elfman | 23 | Wife | Salesgirl | Massachusetts |
| 11 | Extra Line Elfman | None | — | — | — |
| 12 | William Brennan | 55 | Head | Dealer | Maine |
| 13 | Dorothy Brennan | 52 | Wife | — | Maine |
| 14 | Agnes Brennan | 25 | Daughter | Secretary | Massachusetts |
| 15 | Ralph Brennan | 23 | Son | Salesman | Massachusetts |
| 16 | William Brennan | 21 | Son | Salesman | Massachusetts |
| 17 | Dorothy Brennan | 19 | Daughter | Secretary | Massachusetts |
| 18 | Michael Mazurka | 40 | Head | Laborer | Russia |
| 19 | Adele Mazurka | 33 | Wife | — | Russia |
| 20 | John Mazurka | 15 | Son | — | Massachusetts |
| 21 | John Mowatt | 48 | Head | Trimmer | Canada |
| 22 | Harriet Mowatt | 44 | Wife | — | Canada |
| 23 | Doris Mowatt | 22 | Daughter | Salesgirl | Massachusetts |
| 24 | John C Mowatt | 20 | Son | Officer | Massachusetts |
| 25 | Jean D Thibeau | 42 | Head | Fireman | Maine |
| 26 | Kathryn Thibeau | 39 | Wife | — | Maine |
| 27 | Dorothy Thibeau | 16 | Daughter | — | Massachusetts |
| 28 | Marjorie Thibeau | 15 | Daughter | — | Massachusetts |
| 29 | Arthur Jones | 49 | Head | Salesman | Mass |
| 30 | Grace Jones | 47 | Wife | — | Mass |
| 31 | Claire Jones | 8 | Daughter | — | Mass |
| 32 | Henry Johnson | 59 | Lodger | Weaver | England |
| 33 | Julius Baer | 56 | Head | Dealer | New York |
| 34 | Flora Baer | 54 | Wife | — | England |
| 35 | Henry Baer | 31 | Son | Salesman | Massachusetts |
| 36 | Louis Baer | 33 | Son | Chauffeur | Massachusetts |
| 37 | Charles Morrison | 66 | Head | — | Maine |
| 38 | Alice Morrison | 60 | Wife | — | Massachusetts |
| 39 | Charles A Jr Morrison | 30 | Son | Mechanic | Massachusetts |
| 40 | Marian Morrison | 22 | Daughter | Teacher | Massachusetts |
Pedigree Summary
John
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)