JB
John Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this John Brown across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents William & Sarah — first a head (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Brown |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Glazier |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1900 |
| Highest Grade | H 3 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Glazier |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1893 |
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 |
|---|---|---|---|---|
| John Brown | Head | — | 47 | ~1893 |
| Wayne Brown | Son | — | 16 | ~1924 |
| Douglas Brown | Son | — | 15 | ~1925 |
| Ruth Brown | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Salt Lake, …
Son, age 27
Salt Lake, Utah · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Motorman |
| Industry | Electric Railway |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | england |
1930
Salt Lake, …
Head, age 36
Salt Lake, Utah · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 28 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Glazier |
| Industry | Glass & Paint Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3350 |
| Radio Set | R |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Salt-Lake-County, Utah
Head, age 47
Salt-Lake-County, Utah · implied b. ~1893 — 4 household members
| Surname | Brown |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Occupation | Glazier |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1900 |
| Highest Grade | H 3 |
| 1935 Residence | Same house |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Brown (~0.92 confidence) and mother Sarah Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Brown
b. ~1835
Source father
● Household
· direct · ~0.92
Mother
Sarah Brown
b. ~1847
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Brown
Head · 1940 · age 47 · b. ~1893 · Utah
★ 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 — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04226-00020)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Divial Hendrickson | 24 | Head | Labor | Utah |
| 42 | Delia Hendrickson | 23 | Wife | — | Utah |
| 43 | Denil Hendrickson | 6 | Son | — | Utah |
| 44 | Delores Hendrickson | 4 | Daughter | — | Utah |
| 45 | Irene Hendrickson | 2 | Daughter | — | Utah |
| 46 | John F. Brown THIS PERSON | 47 | Head | Glazier | England |
| 47 | Ruth Brown | 45 | Wife | — | Utah |
| 48 | Wayne Brown | 16 | Son | — | Utah |
| 49 | Douglas Brown | 15 | Son | — | Utah |
| 50 | George K. Jensen | 37 | Head | Pastry Cook | Sweden |
| 51 | Leone H. Jensen | 35 | Wife | — | Utah |
| 52 | Keith Jensen | 10 | Son | — | Utah |
| 53 | Lynn Jensen | 9 | Son | — | Utah |
| 54 | Don Jensen | 6 | Son | — | Utah |
| 55 | Faye L. Jensen | 3 | Daughter | — | Utah |
| 56 | Hans Ford | 47 | Head | Plumber | Utah |
| 57 | Laura H. Ford | 40 | Wife | — | Utah |
| 58 | Claire E. Ford | 9 | Daughter | — | Utah |
| 59 | Earl H. Ford | 8 | Son | — | Utah |
| 60 | Laura Jane Ford | 1 | Daughter | — | Utah |
| 61 | Alexander Stewart | 63 | Head | Caretaker | Nova Scotia |
| 62 | Thomas F. Griffiths | 46 | Head | Fireman | Utah |
| 63 | Olga R. Griffiths | 44 | Wife | — | Utah |
| 64 | Edward F. Griffiths | 21 | Son | Drafting | Utah |
| 65 | John S. Horne | 27 | Son-in-law | Operator | Idaho |
| 66 | Frances G. Horne | 21 | Daughter | Operator | Utah |
| 67 | Gerald Horne | 2 | Grandson | — | Utah |
| 68 | William Horne | 63 | Lodger | Farmer | Utah |
| 69 | Lyman Leavitt | 30 | Head | Welder | Utah |
| 70 | Lynnette Leavitt | 27 | Wife | — | Utah |
| 71 | Gerald W. Leavitt | 40 | Head | Engineer | Utah |
| 72 | May M. Leavitt | 46 | Wife | Bookkeeper | Kansas |
| 73 | Extra Luie Leavitt | 1 | Son | — | Utah |
| 74 | John Mccandle | 43 | Head | Foreman | Wisconsin |
| 75 | Claire Mccandle | 39 | Wife | — | Utah |
| 76 | Jack Mccandle | 16 | Son | — | Utah |
| 77 | Bonnie Jean Mccandle | 12 | Daughter | — | Utah |
| 78 | Leonard Johnson | 37 | Head | Mechanic | Massachusetts |
| 79 | Elva Johnson | 30 | Wife | — | Mexico |
| 80 | Ronald Johnson | 5 | Son | — | Utah |
Pedigree Summary
John
Gen 1 · 2 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)