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William Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hillsborough-County, New Hampshire
Our Model Tree links this William Lambert across the 1930 and 1940 US Censuses in Hillsborough-County, New Hampshire (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hillsborough-County, New Hampshire |
| Surname | Lambert |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Nashua city |
| 1935 Residence (County) | Hillsborough |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Nashua City |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ethel Levesque | Daughter | — | 24 | ~1916 |
| Rose Lambert | Daughter | — | 26 | ~1914 |
| Phillip Lambert | Head | — | 53 | ~1887 |
| Ralph Levesque | Other | — | 26 | ~1914 |
| Robert Lambert | Son | — | 20 | ~1920 |
| Phillip Lambert | Son | — | 17 | ~1923 |
| Ernest Lambert | Son | — | 18 | ~1922 |
| Albert Lambert | Son | — | 10 | ~1930 |
| William Lambert | Son | — | 13 | ~1927 |
| Elizabeth Lambert | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Hillsborough, New …
Son, age 3
Hillsborough, New Hampshire · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | William M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Canada French |
| Mother's Birthplace | Massachusetts |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Hillsborough-County, New …
Son, age 13
Hillsborough-County, New Hampshire · implied b. ~1927 — 10 household members
| Surname | Lambert |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Nashua city |
| 1935 Residence (County) | Hillsborough |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 William Lambert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Lambert
Son · 1940 · age 13 · b. ~1927 · New Hampshire
★ You are viewing this record
Sibling
Rose Lambert
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Lambert
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Lambert
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lambert
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Levesque
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Lambert
Sibling · 1940 · age 10
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 — Hillsborough-County, New Hampshire
Open full size
1940 US Federal Census — Hillsborough-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02290-00152)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Mooney | 38 | Head | Machinist | Massachusetts |
| 2 | Libby Mooney | 31 | Wife | Weaver | Massachusetts |
| 3 | Thomas Mooney | 14 | Son | — | New Hampshire |
| 4 | Robert Mooney | 9 | Son | — | New Hampshire |
| 5 | Alta L. Roberts | 60 | Head | — | Massachusetts |
| 6 | John R. Gauthier | 35 | Head | Chain Builder | Canada French |
| 7 | Mary Gauthier | 33 | Wife | Bobbin Girl | Canada French |
| 8 | H. Harry Jones | 32 | Head | Millwright | Massachusetts |
| 9 | Ruth Jones | 31 | Wife | — | New Hampshire |
| 10 | Robert Jones | 10 | Son | — | New Hampshire |
| 11 | Richard Jones | 9 | Son | — | New Hampshire |
| 12 | Ralph Jones | 9 | Son | — | New Hampshire |
| 13 | Barbara Jones | 5 | Daughter | — | New Hampshire |
| 14 | Joseph Bruson | 39 | Head | Edge Trimmer | New Hampshire |
| 15 | Elizabeth Bruson | 38 | Wife | — | Massachusetts |
| 16 | Paul Bruson | 17 | Son | — | New Hampshire |
| 17 | Norma Bruson | 16 | Daughter | — | New Hampshire |
| 18 | Wilfred Grandmaison | 38 | Head | Attendant | New Hampshire |
| 19 | Edna Grandmaison | 31 | Wife | — | Vermont |
| 20 | Phillip Lambert | 53 | Head | Scriver | Canada French |
| 21 | Elizabeth Lambert | 50 | Wife | — | Massachusetts |
| 22 | Rose Lambert | 26 | Daughter | Parts Lining | New Hampshire |
| 23 | Robert E. Lambert | 20 | Son | Laborer | New Hampshire |
| 24 | Ernest Lambert | 18 | Son | — | New Hampshire |
| 25 | Phillip Lambert | 17 | Son | — | New Hampshire |
| 26 | William Lambert THIS PERSON | 13 | Son | — | New Hampshire |
| 27 | Albert Lambert | 10 | Son | — | New Hampshire |
| 28 | Ralph Levesque | 26 | Son-in-law | Edge Trimmer | Canada French |
| 29 | Ethel Levesque | 24 | Daughter | Booter Trimmer | New Hampshire |
| 30 | Oscar P. Bissonnette | 50 | Head | Manager | New Hampshire |
| 31 | Edna Bissonnette | 45 | Wife | — | Massachusetts |
| 32 | Ernest C. Bissonnette | 22 | Son | Attendant | New Hampshire |
| 33 | Paul E. Bissonnette | 20 | Son | Attendant | New Hampshire |
| 34 | Claire Bissonnette | 17 | Daughter | — | New Hampshire |
| 35 | Raymond Bissonnette | 13 | Son | — | New Hampshire |
| 36 | Joseph Martin | 37 | Head | Moulder | Massachusetts |
| 37 | Gladys Martin | 35 | Wife | — | New Hampshire |
| 38 | Mildred Martin | 18 | Daughter | New Worker | New Hampshire |
| 39 | Harry Martin | 17 | Son | Laborer | New Hampshire |
| 40 | Wanita Martin | 10 | Daughter | — | New Hampshire |
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)