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Thomas Welch — 1920 US Census Record
Model Tree available1920 United States Federal Census · Ontario, New York
Our Model Tree links this Thomas Welch across the 1900, 1910 and 1920 US Censuses in Ontario, New York (XGBoost, ~Confirmed), with identified parents Mary — first a son (b.~1885), then head of a 4-person household.
Age 35
b. ~1885
Male
Son
Born: New York
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Ontario, New York |
| Surname | Welch |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | day laborer |
| Industry | factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Laborer |
| Township / Ward | Phelps Village |
| Est. Birth Year | ~1885 |
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 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Welch | Head | — | 70 | ~1850 |
| Thomas Welch | Son | — | 35 | ~1885 |
| James Welch | Son | — | 34 | ~1886 |
| Robert Welch | Son | — | 38 | ~1882 |
Census Appearances
1900
Ontario, New …
Son, age 16
Ontario, New York · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| Birth Month | May |
| Birth Year | 1884 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1910
Ontario, New …
Son, age 26
Ontario, New York · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Thomas P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Labour |
| Industry | Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Ontario, New …
Son, age 35
Ontario, New York · implied b. ~1885 — 4 household members
| Surname | Welch |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | day laborer |
| Industry | factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Thomas Welch across 3 US Census years (1900, 1910 and 1920) in Ontario, New York, using XGBoost record linkage. Identified parents: mother Mary Welch (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Welch
b. ~1850
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Welch
Son · 1920 · age 35 · b. ~1885 · New York
★ You are viewing this record
Sibling
James Welch
Sibling · 1920 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Welch
Sibling · 1920 · age 38
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
1920 US Federal Census — Ontario, New York
Open full size
1920 US Federal Census — Ontario, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1250unit:0924)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Stella Combs | 40 | wife | None | New York |
| 52 | Harry V Combs | 22 | son | Butcher | New York |
| 53 | Laura Combs | 16 | daughter | None | New York |
| 54 | Earl Combs | 15 | son | None | New York |
| 55 | Carl Combs | 12 | son | None | New York |
| 56 | Adam Vincent | 58 | Head | Salesman | New York |
| 57 | Dolly Vincent | 60 | wife | None | New York |
| 58 | Nelson Crawford | 30 | Head | Day Laborer | New York |
| 59 | Leta Crawford | 24 | wife | None | New York |
| 60 | Christina Bell | 70 | Head | None | England |
| 61 | Anna Pratt | 44 | Head | None | England |
| 62 | Earl Pratt | 24 | son | None | New York |
| 63 | Ray Pratt | 22 | son | None | New York |
| 64 | Elizabeth Condit | 54 | Head | Day Laborer | New York |
| 65 | Harry W B Condit | 53 | wife | None | New York |
| 66 | Ella M Brown | 73 | Head | None | New York |
| 67 | Agnett G Brown | 40 | daughter | Nurse | New York |
| 68 | Carrie King | 13 | boarder | None | New York |
| 69 | Fred King | 41 | Head | Section Hand | England |
| 70 | Nellie King | 39 | wife | None | New York |
| 71 | Herbert G King | 9 | son | None | New York |
| 72 | John A King | 7 | son | None | New York |
| 73 | Helen B King | 5 | daughter | None | New York |
| 74 | Richard Porlock | 39 | Head | Blacksmith | New York |
| 75 | Lois Porlock | 39 | wife | None | New York |
| 76 | Ardell Hood | 12 | daughter | None | New York |
| 77 | Beatrice Hood | 11 | daughter | None | New York |
| 78 | Roland Hood | 8 | son | None | New York |
| 79 | Leslie Porlock | 11 | daughter | None | New York |
| 80 | Lydia Smith | 70 | Head | None | New York |
| 81 | John Bailey | 40 | Head | Foreman | New York |
| 82 | Lydia Bailey | 36 | wife | None | New York |
| 83 | Beatrice Bailey | 18 | daughter | Teacher | New York |
| 84 | Gertrude Bailey | 13 | daughter | None | New York |
| 85 | Naomi Bailey | 8 | daughter | None | New York |
| 86 | Frank Hamley | 64 | Head | Day Laborer | New York |
| 87 | Estella Hamley | 15 | daughter | None | New York |
| 88 | Mary A Welch | 70 | Head | None | Ireland |
| 89 | Robert Welch | 38 | son | Carpenter | New York |
| 90 | Thomas Welch THIS PERSON | 35 | son | Day Laborer | New York |
| 91 | James Welch | 34 | son | Day Laborer | New York |
| 92 | William Goodman | 64 | Head | Farmer | New York |
| 93 | Delia Goodman | 54 | wife | None | New York |
| 94 | Robert Felder | 46 | Head | Day Laborer | New York |
| 95 | Marianne Felder | 33 | wife | None | New York |
| 96 | Elizabeth Felder | 5 | daughter | None | New York |
| 97 | Catherine Felder | 3 | daughter | None | New York |
| 98 | Julia Felder | 1 | daughter | None | New York |
| 99 | Walter S Hilfiger | 44 | Head | Farm Laborer | Pennsylvania |
| 100 | Lillian Hilfiger | 40 | wife | None | New York |
Pedigree Summary
Thomas + 2 siblings
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)