MW
Mary Welch — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Mary Welch across the 1900, 1910 and 1920 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 6-person household.
Age 49
b. ~1871
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Worcester, Massachusetts |
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1891 |
| Birthplace (normalized) | ireland |
| Township / Ward | Clinton Town |
| Est. Birth Year | ~1871 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Welch | Daughter | — | 18 | ~1902 |
| Anna Welch | Daughter | — | 15 | ~1905 |
| Peter Welch | Head | — | 49 | ~1871 |
| Sarah Dunkin | Other | — | 23 | ~1897 |
| Ethel St Martin | Other | — | 16 | ~1904 |
| Mary Welch | Spouse | — | 49 | ~1871 |
Census Appearances
1900
Worcester, Massachusetts
Other, age 31
Worcester, Massachusetts · implied b. ~1869 — 29 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | Aug |
| Birth Year | 1869 |
| Year of Immigration | 1883 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Worcester, Massachusetts
Spouse, age 40
Worcester, Massachusetts · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 14 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Worcester, Massachusetts
Spouse, age 49
Worcester, Massachusetts · implied b. ~1871 — 6 household members
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1891 |
| Birthplace (normalized) | ireland |
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 Mary Welch across 3 US Census years (1900, 1910 and 1920) in Worcester, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Welch
Spouse · 1920 · age 49 · b. ~1871 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Worcester, Massachusetts
Open full size
1920 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu745unit:0794)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Angeline Lepore | 31 | Wife | — | Italy |
| 52 | Charles Lepore | 8 | Son | — | Massachusetts |
| 53 | Margaret Lepore | 6 | Daughter | — | Massachusetts |
| 54 | Rocco Lepore | 4 | Son | — | Massachusetts |
| 55 | Agnes Lepore | 1 | Daughter | — | Massachusetts |
| 56 | Vincenzo Pasquale | 30 | Boarder | Weaver | Italy |
| 57 | Charles Pasquale | 20 | Boarder | Weaver | Italy |
| 58 | John Joyce | 43 | Head | Weaver | Massachusetts |
| 59 | Mary Joyce | 21 | Daughter | — | Massachusetts |
| 60 | John Joyce | 16 | Son | Office Boy | Massachusetts |
| 61 | Alice Joyce | 13 | Daughter | — | Massachusetts |
| 62 | Agnes Joyce | 6 | Daughter | — | Massachusetts |
| 63 | Peter Welch | 49 | Head | Mason Tender | Ireland |
| 64 | Mary Welch THIS PERSON | 49 | Wife | — | Ireland |
| 65 | Mary Welch | 18 | Daughter | Spinner | Massachusetts |
| 66 | Anna Welch | 15 | Daughter | Spooler | Massachusetts |
| 67 | Sarah Dunkin | 23 | Niece | Winder | Ireland |
| 68 | Ethel St Martin | 16 | Niece | Spinner | Massachusetts |
| 69 | Mary Mc Namara | 65 | Head | — | Ireland |
| 70 | Annie Mc Namara | 31 | Daughter | Specker | Ireland |
| 71 | Michael Morrison | 60 | Head | Machinist | Ireland |
| 72 | Mary Morrison | 47 | Wife | — | Massachusetts |
| 73 | Thomas Morrison | 14 | Son | — | Massachusetts |
| 74 | Alice Morrison | 11 | Daughter | — | Massachusetts |
| 75 | Mary Morrison | 8 | Daughter | — | Massachusetts |
| 76 | Joseph Morrison | 5 | Son | — | Massachusetts |
| 77 | Andrew Heamiah | 38 | Head | Carpenter | Massachusetts |
| 78 | Nora Heamiah | 39 | Wife | — | Ireland |
| 79 | George Heamiah | 15 | Son | Filler Boy | Massachusetts |
| 80 | Arthur Heamiah | 13 | Son | — | Massachusetts |
| 81 | Henry Heamiah | 11 | Son | — | Massachusetts |
| 82 | Mary Heamiah | 9 | Daughter | — | Massachusetts |
| 83 | Margaret Heamiah | 7 | Daughter | — | Massachusetts |
| 84 | Catherine Heamiah | 5 | Daughter | — | Massachusetts |
| 85 | Alice Heamiah | 3 | Daughter | — | Massachusetts |
| 86 | John Broderick | 73 | Head | — | Ireland |
| 87 | Frank Broderick | 40 | Son | Weaver | Massachusetts |
| 88 | Minnie Broderick | 35 | Daughter | — | Massachusetts |
| 89 | George Broderick | 33 | Son | Plumber | Massachusetts |
| 90 | Maude Broderick | 28 | Daughter | Teacher | Massachusetts |
| 91 | John Hogan | 29 | Head | Insurance Agt | Massachusetts |
| 92 | William Hogan | 27 | Brother | Insurance Agt | Massachusetts |
| 93 | James Hogan | 23 | Brother | Telegrapher | Massachusetts |
| 94 | Henry Hogan | 21 | Brother | Lamp Man | Massachusetts |
| 95 | Helen Hogan | 16 | Sister | — | Massachusetts |
| 96 | Patrick Hynes | 63 | Head | Laborer | Ireland |
| 97 | Mary Hynes | 37 | Daughter | Nurse | Massachusetts |
| 98 | William Hynes | 36 | Son | Teamster | Massachusetts |
| 99 | Catherine Hynes | 34 | Daughter | — | Massachusetts |
| 100 | Nora Hynes | 32 | Daughter | Setter | Massachusetts |
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)