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Robert Welch — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Plymouth, Massachusetts
Our Model Tree links this Robert Welch across the 1910 and 1920 US Censuses in Plymouth, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 8-person household.
Age 15
b. ~1905
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Plymouth, Massachusetts |
| Surname | Welch |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Brockton City |
| Est. Birth Year | ~1905 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| John Welch | Son | — | 21 | ~1899 |
| Margaret Welch | Daughter | — | 23 | ~1897 |
| Alice Welch | Daughter | — | 24 | ~1896 |
| Robert Welch | Son | — | 15 | ~1905 |
| Cecilia Welch | Daughter | — | 16 | ~1904 |
| Eva Welch | Daughter | — | 12 | ~1908 |
| Margaret Welch | Spouse | — | 50 | ~1870 |
| Robert Welch | Head | — | 54 | ~1866 |
Census Appearances
1910
Plymouth, Massachusetts
Son, age 5
Plymouth, Massachusetts · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Robert F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Plymouth, Massachusetts
Son, age 15
Plymouth, Massachusetts · implied b. ~1905 — 8 household members
| Surname | Welch |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| 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 Robert Welch across 2 US Census years (1910 and 1920) in Plymouth, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Welch
Son · 1920 · age 15 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Cecilia Welch
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Welch
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Welch
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Welch
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Welch
Sibling · 1920 · age 12
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 — Plymouth, Massachusetts
Open full size
1920 US Federal Census — Plymouth, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu725unit:0232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Helen M. Flann | 5 | Daughter | — | Massachusetts |
| 52 | Barbara L. Flann | 2 | Daughter | — | Massachusetts |
| 53 | Thomas H. Duncan | 31 | Head | Foreman | Massachusetts |
| 54 | Ellen C. Duncan | 24 | Wife | Stitcher | Massachusetts |
| 55 | Mary Duncan | 9 | Daughter | — | Massachusetts |
| 56 | James H. Jr. Duncan | 6 | Son | — | Massachusetts |
| 57 | William H. King | 29 | Head | Conductor | Maine |
| 58 | Grace B. King | 26 | Wife | — | Maine |
| 59 | Elmer W. King | 8 | Son | — | Maine |
| 60 | Milton R. King | 5 | Son | — | Maine |
| 61 | Doris Z. King | 4 | Daughter | — | Maine |
| 62 | Donald G. King | 3 | Son | — | Massachusetts |
| 63 | Henry W. King | 0 | Son | — | Massachusetts |
| 64 | Ellen Johnson | 57 | Head | — | Ireland |
| 65 | Lottie M. Johnson | 26 | Daughter | Stitcher | Massachusetts |
| 66 | Harry H. Johnson | 24 | Son | Heel Maker | Massachusetts |
| 67 | Eugene E. Johnson | 22 | Son | Edge Shaver | Massachusetts |
| 68 | Charles M. Johnson | 19 | Son | Last Picker | Massachusetts |
| 69 | Bridget Smith | 44 | Head | General Housework | Ireland |
| 70 | Robert Welch | 54 | Head | Laborer | Ireland |
| 71 | Margaret Welch | 50 | Wife | — | Ireland |
| 72 | Alice J. Welch | 24 | Daughter | Trimming Maker | Massachusetts |
| 73 | Margaret M. Welch | 23 | Daughter | Office Work | Massachusetts |
| 74 | John J. Welch | 21 | Son | Office Work | Massachusetts |
| 75 | Cecilia L. Welch | 16 | Daughter | Office Work | Massachusetts |
| 76 | Robert J. Welch THIS PERSON | 15 | Son | — | Massachusetts |
| 77 | Eva L. Welch | 12 | Daughter | — | Massachusetts |
| 78 | Julia Lutch | 58 | Head | — | Ireland |
| 79 | James P. Lutch | 29 | Son | Finisher | Massachusetts |
| 80 | Margaret E. Lutch | 22 | Daughter | Stitcher | Massachusetts |
| 81 | Joseph R. Lutch | 20 | Son | Sorter | Massachusetts |
| 82 | Eileen A. Lutch | 18 | Daughter | Office Work | Massachusetts |
| 83 | Malina Payette | 62 | Head | — | Canada French |
| 84 | Albina Payette | 20 | Daughter | Cleaning | Massachusetts |
| 85 | Maurice Payette | 21 | Son | Cleaning | Canada French |
| 86 | Margaret Collins | 52 | Head | — | Ireland |
| 87 | John J. Collins | 16 | Son | Laborer | Massachusetts |
| 88 | Joseph M. Collins | 15 | Son | Laborer | Massachusetts |
| 89 | Margaret L. Collins | 5 | Daughter | — | Massachusetts |
| 90 | Norah A. Riordan | 35 | Head | Stitcher | Ireland |
| 91 | Ellen T. Riordan | 34 | Sister | Saleslady | Ireland |
| 92 | Norah A. Leary | 62 | Head | — | Ireland |
| 93 | Michael J. Leary | 36 | Son | Blacking Maker | Ireland |
| 94 | Joseph L. Leary | 32 | Son | Finisher | Massachusetts |
| 95 | Frank D. Leary | 27 | Son | Cutter | Massachusetts |
| 96 | Catherine Sandstadt | 48 | Sister | Servant | Ireland |
| 97 | James A. Baird | 29 | Head | Shanker | Massachusetts |
| 98 | Agnes C. Baird | 30 | Wife | Stitcher | Massachusetts |
| 99 | Irene M. Baird | 6 | Daughter | — | Massachusetts |
| 100 | Russell J. Baird | 4 | Son | — | Massachusetts |
Related Census Records
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)