HD
Harold Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Onondaga-County, New York
Our Model Tree links this Harold Davis across the 1920, 1930 and 1940 US Censuses in Onondaga-County, New York (XGBoost, ~Confirmed), with identified parents Chester & Mary — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Onondaga-County, New York |
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Syracuse |
| 1935 Residence (County) | Onondaga |
| Additional Details | |
| Occupation | Tool maker |
| Industry | Bearing Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Tool Maker |
| Township / Ward | Syracuse |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Nancy Davis | Daughter | — | 7 | ~1933 |
| Harold Davis | Head | — | 28 | ~1912 |
| Eleanor Davis | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Onondaga, New …
Son, age 9
Onondaga, New York · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Onondaga, New …
Son, age 19
Onondaga, New York · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Toolmaker |
| Industry | Tool shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Onondaga-County, New …
Head, age 28
Onondaga-County, New York · implied b. ~1912 — 3 household members
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Syracuse |
| 1935 Residence (County) | Onondaga |
| Occupation | Tool maker |
| Industry | Bearing Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Harold Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chester Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chester Davis
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Davis
Head · 1940 · age 28 · b. ~1912 · New York
★ 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 — Onondaga-County, New York
Open full size
1940 US Federal Census — Onondaga-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02854-00357)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jeanne Bertrand | 15 | Daughter | — | New York |
| 42 | Phyllis Bertrand | 10 | Daughter | — | New York |
| 43 | William La Valle | 31 | Head | Meat Cutter | New York |
| 44 | Norma La Valle | 30 | Wife | — | New York |
| 45 | Barbara La Valle | 10 | Daughter | — | New York |
| 46 | Robert La Valle | 10 | Son | — | New York |
| 47 | Charles La Valle | 5 | Son | — | New York |
| 48 | Courtney Card | 45 | Head | Car Inspector | New York |
| 49 | Bertha Card | 46 | Wife | — | New York |
| 50 | Gladys Card | 24 | Daughter | Hair Dresser | New York |
| 51 | Goldine Card | 21 | Daughter | Stenographer | New York |
| 52 | William Brophy | 77 | Head | Inspector | New York |
| 53 | Marguerite Brophy | 75 | Mother | — | New York |
| 54 | Harold Davis THIS PERSON | 28 | Head | Tool Maker | New York |
| 55 | Eleanor Davis | 29 | Wife | — | New York |
| 56 | Nancy Davis | 7 | Daughter | — | New York |
| 57 | William T. Wright | 42 | Head | Inspector | New York |
| 58 | Martha M. Wright | 40 | Wife | — | New York |
| 59 | Martha O. Wright | 19 | Daughter | Student | New York |
| 60 | Elizabeth L. Wright | 18 | Daughter | — | New York |
| 61 | William C. Wright | 17 | Son | — | New York |
| 62 | Janet L. Wright | 15 | Daughter | — | New York |
| 63 | Jean E. Wright | 13 | Daughter | — | New York |
| 64 | Harry Porter | 59 | Head | — | New York |
| 65 | Llewellyn Porter | 60 | Wife | Seamstress | New York |
| 66 | William Wallace | 18 | Roomer | — | Ohio |
| 67 | Andrew Nilson | 58 | Head | Auto Glass Replacer | Denmark |
| 68 | Olga Nilson | 55 | Wife | — | Denmark |
| 69 | Herbert Shelton | 52 | Head | Final Inspector | New York |
| 70 | Ada M. Shelton | 51 | Wife | — | New York |
| 71 | Vincent Shelton | 23 | Son | Assembler | New York |
| 72 | Veronica Shelton | 14 | Daughter | — | New York |
| 73 | James F. Rogers | 42 | Brother-in-law | Clerk | New York |
| 74 | Claude Taylor | 56 | Head | Mechanic | New York |
| 75 | Jessie Taylor | 58 | Wife | — | New York |
| 76 | Robert Shelley | 46 | Head | Carpenter | New York |
| 77 | Helen G. Shelley | 47 | Wife | — | New York |
| 78 | Carol Shelley | 20 | Daughter | — | New York |
| 79 | William Beesley | 55 | Head | Trainman | New York |
| 80 | Amanda Beesley | 71 | Wife | — | Pennsylvania |
Pedigree Summary
Harold
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)