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Fred Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Fred Davis across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Albert & Albert — first a son (b.~1906), then head of a 12-person household.
Age 34
b. ~1906
Male
Son
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Davis |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | McKeesport City |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | office clerk |
| Industry | steel mill |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Office Clerk |
| Township / Ward | Mckeesport City |
| Est. Birth Year | ~1906 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Emma Davis | Daughter | — | 13 | ~1927 |
| Gertrude Davis | Daughter | — | 19 | ~1921 |
| Florence Davis | Daughter | — | 12 | ~1928 |
| Lily Davis | Daughter | — | 24 | ~1916 |
| Albert Davis | Head | — | 57 | ~1883 |
| Neal Davis | Other | — | 2 | ~1938 |
| Fred Davis | Other | — | 5 | ~1935 |
| Mary Davis | Other | — | 29 | ~1911 |
| Fred Davis | Son | — | 34 | ~1906 |
| Arthur Davis | Son | — | 27 | ~1913 |
| Howard Davis | Son | — | 22 | ~1918 |
| Ida Davis | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Frederick G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1907 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Allegheny, Pennsylvania
Son, age 23
Allegheny, Pennsylvania · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | England |
| Naturalization Status | Alien |
| Year of Immigration | 1917 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Helper |
| Industry | Tube Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Allegheny-County, Pennsylvania
Son, age 34
Allegheny-County, Pennsylvania · implied b. ~1906 — 12 household members
| Surname | Davis |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | McKeesport City |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | First papers filed |
| Occupation | office clerk |
| Industry | steel mill |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Fred Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Davis (~0.92 confidence) and father Albert Davis (~0.92 confidence) and mother Ida Davis (~0.92 confidence) and mother Lillie Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Davis
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Albert Davis
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Ida Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Lillie Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Davis
Son · 1940 · age 34 · b. ~1906 · Pennsylvania
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Sibling
Gertrude Davis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Davis
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lily Davis
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Davis
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Davis
Sibling · 1940 · age 12
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03408-00608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kenneth G. Alman | 25 | Head | Butcher | Pennsylvania |
| 42 | Elmira Alman | 22 | Wife | — | Pennsylvania |
| 43 | Henry Starr | 57 | Head | Tailoring | Pennsylvania |
| 44 | Ruth Starr | 52 | Wife | Books | Pennsylvania |
| 45 | Rhoda Starr | 21 | Daughter | Bookkeeping | Pennsylvania |
| 46 | George Caff | 70 | Boarder | — | Pennsylvania |
| 47 | Clair Hevener | 20 | Head | Painter | Ohio |
| 48 | Virginia Hevener | 19 | Wife | — | Ohio |
| 49 | Benjamin Minith | 63 | Head | Chipper Helper | Pennsylvania |
| 50 | Nellie Minith | 59 | Wife | — | Pennsylvania |
| 51 | Benjamin Jr. Minith | 33 | Son | Foreman | Pennsylvania |
| 52 | David Culom | 57 | Head | Fireman | Pennsylvania |
| 53 | Gertrude Culom | 54 | Wife | — | Pennsylvania |
| 54 | Mercedes Culom | 24 | Daughter | Clerk | Pennsylvania |
| 55 | Louis Vovick | 64 | Head | Laborer | Hungary |
| 56 | Mary Vovick | 54 | Wife | — | Hungary |
| 57 | Albert Davis | 57 | Head | Laborer | England |
| 58 | Ida Davis | 55 | Wife | — | England |
| 59 | Arthur Davis | 27 | Son | Clerk | Tennessee |
| 60 | Lily Mae Davis | 24 | Daughter | Stenographer | Tennessee |
| 61 | Howard Davis | 22 | Son | Machinist | Pennsylvania |
| 62 | Gertrude Davis | 19 | Daughter | Stenographer | Pennsylvania |
| 63 | Florence Davis | 12 | Daughter | Stenographer | Pennsylvania |
| 64 | Emma Jane Davis | 13 | Daughter | — | England |
| 65 | Fred Davis THIS PERSON | 34 | Son | Office Clerk | England |
| 66 | Mary Davis | 29 | Daughter-in-law | — | Pennsylvania |
| 67 | Fred Davis | 5 | Grandson | — | Pennsylvania |
| 68 | Neal Davis | 2 | Grandson | — | Pennsylvania |
| 69 | Ida Bozzo | 44 | Head | — | Italy |
| 70 | Frances Bozzo | 13 | Daughter | — | Pennsylvania |
| 71 | Mistake Bozzo | None | — | — | — |
| 73 | George Humenicky | 71 | Head | Meter Man | Czechoslovakia |
| 74 | George Humenicky | 39 | Boarder | Truck Driver | Pennsylvania |
| 75 | Alice Humenicky | 35 | Boarder | — | Pennsylvania |
| 76 | Joseph Azevedo | 52 | Head | Laborer | Poland |
| 77 | Josephine Azevedo | 47 | Wife | Maid | Poland |
| 78 | Adela Azevedo | 23 | Daughter | Office Work | Pennsylvania |
| 79 | Mary Azevedo | 18 | Daughter | Clerk | Pennsylvania |
| 80 | John Uher | 30 | Boarder | Office Worker | Pennsylvania |
Pedigree Summary
Fred + 6 siblings
Gen 1 · 4 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)