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Thomas Welch — 1920 US Census Record
Model Tree available1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Thomas Welch across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Agnes — first a son (b.~1899), then head of a 4-person household.
Age 21
b. ~1899
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Welch |
| Given Name | Thomas H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Stitcher |
| Industry | Shoe Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Stitcher |
| Township / Ward | Malden City |
| Est. Birth Year | ~1899 |
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 |
|---|---|---|---|---|
| Agnes Welch | Spouse | — | 45 | ~1875 |
| Thomas Welch | Son | — | 21 | ~1899 |
| John Welch | Head | — | 52 | ~1868 |
| Mildred Welch | Daughter | — | 18 | ~1902 |
Census Appearances
1900
Middlesex, Massachusetts
Son, age
Middlesex, Massachusetts · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Feb |
| Birth Year | 1900 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 21
Middlesex, Massachusetts · implied b. ~1899 — 4 household members
| Surname | Welch |
| Given Name | Thomas H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Stitcher |
| Industry | Shoe Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father John Welch (~0.92 confidence) and mother Agnes Welch (~0.92 confidence) and mother Alice Welch (~0.92 confidence) and mother Maria Welch (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Welch
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Agnes Welch
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Alice Welch
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Maria Welch
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Welch
Son · 1920 · age 21 · b. ~1899 · Massachusetts
★ You are viewing this record
Sibling
Mildred Welch
Sibling · 1920 · age 18
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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu713unit:0416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie L. Phelan | 47 | wife | — | Canada |
| 2 | Judson L. Lantz | 39 | Head | Tea Taster | Canada |
| 3 | Elizabeth Lantz | 42 | wife | — | Canada |
| 4 | Harold Snowy | 23 | Boarder | Foot Presser | Canada |
| 5 | Gladys Snowy | 27 | Sister-in-law | — | Canada |
| 6 | Dorothy Snowy | 1 | niece | — | Canada |
| 7 | Gertrude Mullen | 22 | Sister-in-law | Book Binder | Canada |
| 8 | Simon Doucette | 33 | Head | Shoe Worker | Canada |
| 9 | Annie Doucette | 30 | wife | Shoe Worker | Canada |
| 10 | Harold Doucette | 14 | son | Stock Boy | Massachusetts |
| 11 | Ralph Doucette | 13 | son | — | Massachusetts |
| 12 | Evelyn Doucette | 9 | daughter | — | Massachusetts |
| 13 | Mary Canty | 73 | Mother-in-law | — | Canada |
| 14 | Michael S. Lund | 45 | Head | Retail Merchant | Poland (Russ) |
| 15 | Pearl Lund | 45 | wife | — | Poland (Russ) |
| 16 | Samuel J. Lund | 24 | son | — | Massachusetts |
| 17 | Arthur Lund | 23 | son | Counting | Massachusetts |
| 18 | Lillian Lund | 17 | daughter | — | Massachusetts |
| 19 | Harry Judson | 32 | Head | Inventor | New Hampshire |
| 20 | Ruth Judson | 27 | wife | — | Canada |
| 21 | Harry E. Judson | 3 | daughter | — | New Hampshire |
| 22 | Muriel E. Judson | 2 | daughter | — | Massachusetts |
| 23 | William L. Hatch | 54 | Father-in-law | Fisherman | Canada |
| 24 | Lottie Hatch | 53 | Mother-in-law | — | Canada |
| 25 | James Dean | 44 | Head | Letter Carrier | England |
| 26 | Annie J. Dean | 11 | daughter | — | Massachusetts |
| 27 | Edith Dean | 10 | daughter | — | Massachusetts |
| 28 | James G. Dean | 8 | son | — | Massachusetts |
| 29 | Margaret E. Dean | 5 | daughter | — | Massachusetts |
| 30 | Nellie H. Whalen | 39 | Lodger | Calendar Hand | Maine |
| 31 | Phyllis V. Whalen | 2 | Lodger | — | Maine |
| 32 | John J. Welch | 52 | Head | Laborer | Ireland |
| 33 | Agnes Welch | 45 | wife | — | Ireland |
| 34 | Thomas H. Welch THIS PERSON | 21 | son | Stitcher | Massachusetts |
| 35 | Mildred A. Welch | 18 | daughter | Stenographer | Massachusetts |
| 36 | James D. Heller | 58 | Head | Laborer | Ireland |
| 37 | Mary Heller | 53 | wife | — | Ireland |
| 38 | Mary Heller | 27 | daughter | School Teacher | Maine |
| 39 | Hester Innes | 38 | Head | Solicitor | Maine |
| 40 | Florence Innes | 38 | wife | — | Canada |
| 41 | Alice Innes | 6 | daughter | — | Massachusetts |
| 42 | Alice Innes | 3 | daughter | — | Massachusetts |
| 43 | Robert Wilson | 27 | Boarder | Tennis Taker | Canada |
| 44 | Thomas P. Hugh | 36 | Head | Engineer | England |
| 45 | Cora Hugh | 36 | wife | — | Rhode Island |
| 46 | Margaret R. Hugh | 16 | daughter | — | Massachusetts |
| 47 | Alice P. Hugh | 13 | daughter | — | Massachusetts |
| 48 | Edward F. Hugh | 11 | son | — | Massachusetts |
| 49 | Mildred Hugh | 8 | daughter | — | Massachusetts |
| 50 | Richard J. Hugh | 5 | son | — | Massachusetts |
Pedigree Summary
Thomas + 1 sibling
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 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)