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William Hammond — 1940 US Census Record
Model Tree available1940 United States Federal Census · Onondaga-County, New York
Our Model Tree links this William Hammond across the 1920, 1930 and 1940 US Censuses in Onondaga-County, New York (XGBoost, ~Confirmed), with identified parents Roy & Catherine — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Onondaga-County, New York |
| Surname | Hammond |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Solvay Village |
| 1935 Residence (County) | Onondaga |
| Additional Details | |
| Occupation | Helper machinist |
| Industry | Chemical Co |
| Class of Worker | PW |
| Income (1939) | 710 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Helper Machinist |
| Township / Ward | Solvay Village |
| Est. Birth Year | ~1918 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Virginia Hammond | Daughter | — | 20 | ~1920 |
| William Hammond | Head | — | 50 | ~1890 |
| William Hammond | Son | — | 22 | ~1918 |
| Catherine Hammond | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Onondaga, New …
Son, age 1
Onondaga, New York · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Onondaga, New …
Son, age 11
Onondaga, New York · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Onondaga-County, New …
Son, age 22
Onondaga-County, New York · implied b. ~1918 — 4 household members
| Surname | Hammond |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Solvay Village |
| 1935 Residence (County) | Onondaga |
| Occupation | Helper machinist |
| Industry | Chemical Co |
| Class of Worker | PW |
| Income (1939) | 710 |
| Highest Grade | H-4 |
| 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 William Hammond across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Roy Hammond (~0.92 confidence) and mother Catherine Hammond (~0.92 confidence) and father William Hammond (~0.92 confidence) and mother Allie Hammond (~0.92 confidence) and mother Emma Hammond (~0.92 confidence) and father Fred Hammond (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Roy Hammond
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Catherine Hammond
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
William Hammond
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Allie Hammond
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Emma Hammond
b. ~1905
Source mother
● Household
· direct · ~0.92
Father
Fred Hammond
b. ~1910
Source father
● Household
· direct · ~0.6
This person
Anchor record
William Hammond
Son · 1940 · age 22 · b. ~1918 · New York
★ You are viewing this record
Sibling
Virginia Hammond
Sibling · 1940 · age 20
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 — 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-t0627-02704-00212)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ollie L. De Forest | 71 | Mother | — | New York |
| 42 | George Patapow | 43 | Head | Crane Operator | Russia |
| 43 | Julia Patapow | 26 | Wife | — | Pennsylvania |
| 44 | Walter G. Patapow | 1 | Son | — | New York |
| 45 | Micheal Chichersky | 21 | Brother | New Worker | Pennsylvania |
| 46 | Frank Falletta | 26 | Head | Salesman | New York |
| 47 | Betty Falletta | 22 | Wife | — | New York |
| 48 | Frank Falletta | 2 | Son | — | New York |
| 49 | William Falletta | 2 | Son | — | New York |
| 50 | George W. Nowell | 62 | Head | Paper Hanger | New York |
| 51 | Jessie K. Nowell | 57 | Wife | — | New York |
| 52 | Henry B. Nowell | 26 | Son | Handy Man | New York |
| 53 | Olive M. Nowell | 17 | Daughter | — | New York |
| 54 | Walter R. Metcalf | 54 | Head | Brakeman | Pennsylvania |
| 55 | Jane A. Metcalf | 52 | Wife | — | New York |
| 56 | Francella D. Metcalf | 29 | Daughter | Clerk | New York |
| 57 | Lela E. Metcalf | 21 | Daughter | — | New York |
| 58 | Elbert E. Mowers | 26 | Head | Dealer | New York |
| 59 | Ruth M. Mowers | 22 | Wife | — | New York |
| 60 | David L. Mowers | 3 | Son | — | New York |
| 61 | Charles E. Mowers | 2 | Son | — | New York |
| 62 | Claude H. Bentley | 48 | Head | Soda Dept | New York |
| 63 | Viola L. Bentley | 39 | Wife | Waitress | New York |
| 64 | Lloyd E. Bentley | 17 | Son | — | New York |
| 65 | Shirley L. Bentley | 16 | Daughter | — | New York |
| 66 | Joseph De Albert | 37 | Head | Weigher | Italy |
| 67 | Mary J. De Albert | 28 | Wife | Cleaner | New York |
| 68 | William Hammond | 50 | Head | Machinist | New York |
| 69 | Catherine Hammond | 50 | Wife | — | New York |
| 70 | William J. Hammond THIS PERSON | 22 | Son | Helper Machinist | New York |
| 71 | Virginia M. Hammond | 20 | Daughter | Candle Inspector | New York |
| 72 | Frank E. Parks | 51 | Head | Tool Maker | New York |
| 73 | Pearl L. Parks | 49 | Wife | — | New York |
| 74 | Dorthey E. Parks | 19 | Daughter | — | New York |
| 75 | Shirley A. Ganz | 9 | Niece | — | New York |
| 76 | George La May | 61 | Brother | Mechanic | New York |
| 77 | Oliver Cottrell | 47 | Head | Tool Maker | England |
| 78 | Lavina J. Cottrell | 49 | Wife | — | Canada |
| 79 | Robert O. Cottrell | 21 | Son | Works In Store | New York |
| 80 | Joseph Brusa | 48 | Head | Construction | Italy |
Pedigree Summary
William + 1 sibling
Gen 1 · 6 parents
~0.87
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)