RW
Richard Walsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Richard Walsh across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 12-person household.
Age 14
b. ~1926
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Walsh |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Waltham |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 9 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Waltham |
| Est. Birth Year | ~1926 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Francis Walsh | Son | — | 1 | ~1939 |
| Margaret Walsh | Spouse | — | 41 | ~1899 |
| Richard Walsh | Son | — | 14 | ~1926 |
| Joseph Walsh | Son | — | 9 | ~1931 |
| Leonard Walsh | Son | — | 11 | ~1929 |
| Florence Walsh | Daughter | — | 13 | ~1927 |
| Mary Walsh | Daughter | — | 16 | ~1924 |
| Marjorie Walsh | Daughter | — | 3 | ~1937 |
| James Walsh | Head | — | 42 | ~1898 |
| Irene Walsh | Daughter | — | 20 | ~1920 |
| Kenneth Walsh | Son | — | 4 | ~1936 |
| Mildred Walsh | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 4
Middlesex, Massachusetts · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 14
Middlesex-County, Massachusetts · implied b. ~1926 — 12 household members
| Surname | Walsh |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Waltham |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 9 |
| 1935 Residence | Same Place |
| 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 Richard Walsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Walsh
Son · 1940 · age 14 · b. ~1926 · Massachusetts
★ You are viewing this record
Sibling
Leonard Walsh
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Walsh
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Walsh
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Walsh
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Walsh
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Walsh
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Walsh
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Walsh
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Walsh
Sibling · 1940 · age 1
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01619-00606)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard E. Michelson | 2 | Son | — | Massachusetts |
| 2 | Louis Michelson | 66 | Father | Junk Collector | Poland |
| 3 | Thomas J. Watson | 63 | Head | Laborer | Ireland (South) |
| 4 | Catharine B. Watson | 56 | Wife | — | Ireland (North) |
| 5 | Francis Watson | 26 | Son | Machine Operator | Massachusetts |
| 6 | James Watson | 21 | Son | Ccc | Massachusetts |
| 7 | Anna Watson | 15 | Daughter | — | Massachusetts |
| 8 | Thomas Gurdon | 54 | Head | Laborer | Massachusetts |
| 9 | Margaret B. Gurdon | 48 | Wife | — | Massachusetts |
| 10 | Mary Gurdon | 25 | Daughter | Teacher | Massachusetts |
| 11 | Thomas H. Gurdon | 21 | Son | Watch Worker | Massachusetts |
| 12 | Margaret Anne Gurdon | 19 | Daughter | Watch Worker | Massachusetts |
| 13 | John G. Gurdon | 16 | Son | — | Massachusetts |
| 14 | Joseph P. Gurdon | 14 | Son | — | Massachusetts |
| 15 | William E. Gurdon | 12 | Son | — | Massachusetts |
| 16 | Mildred G. Gurdon | 9 | Daughter | — | Massachusetts |
| 17 | James D. Walsh | 42 | Head | Wheel Moulder | Massachusetts |
| 18 | Margaret R. Walsh | 41 | Wife | — | Massachusetts |
| 19 | Irene Walsh | 20 | Daughter | Watch Worker | Massachusetts |
| 20 | Mildred Walsh | 18 | Daughter | Watch Worker | Massachusetts |
| 21 | Mary Walsh | 16 | Daughter | — | Massachusetts |
| 22 | Richard Walsh THIS PERSON | 14 | Son | — | Massachusetts |
| 23 | Florence Walsh | 13 | Daughter | — | Massachusetts |
| 24 | Leonard Walsh | 11 | Son | — | Massachusetts |
| 25 | Joseph Walsh | 9 | Son | — | Massachusetts |
| 26 | Kenneth Walsh | 4 | Son | — | Massachusetts |
| 27 | Marjorie Walsh | 3 | Daughter | — | Massachusetts |
| 28 | Francis Walsh | 1 | Son | — | Massachusetts |
| 29 | Antonio Dideo | 45 | Head | Laborer | Italy |
| 30 | Grace Dideo | 52 | Wife | — | Italy |
| 31 | Guy-Thomas Dideo | 17 | Son | New Worker | Massachusetts |
| 32 | Charles Dideo | 16 | Son | New Worker | Massachusetts |
| 33 | Carmelia Lembo | 22 | Step Daughter | Inspector | Massachusetts |
| 34 | Elizabeth A. Gibbons | 70 | Head | — | Ireland (South) |
| 35 | Mary A. Gibbons | 50 | Daughter | Watch Maker | Massachusetts |
| 36 | John J. Gibbons | 47 | Son | Plumbing | Massachusetts |
| 37 | Catherine R. Gibbons | 46 | Daughter | Attendant | Massachusetts |
| 38 | Anna D. Gibbons | 54 | Daughter | — | Massachusetts |
| 39 | Helene J. Gibbons | 52 | Daughter | Graduate Nurse | Massachusetts |
| 40 | Mary K. Ryan | 75 | Head | — | Ireland (South) |
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)