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Robert Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Robert Lambert across the 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Laborer |
| Industry | CCC Govt Project |
| Class of Worker | GW |
| Income (1939) | 400 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Altoona |
| Est. Birth Year | ~1919 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Barbara Grimme | Other | — | 90 | ~1850 |
| Anna Lambert | Spouse | — | 56 | ~1884 |
| John Lambert | Head | — | 61 | ~1879 |
| Anna Lambert | Daughter | — | 13 | ~1927 |
| James Lambert | Son | — | 18 | ~1922 |
| Leo Lambert | Son | — | 10 | ~1930 |
| Joseph Lambert | Son | — | 27 | ~1913 |
| William Myers | Other | — | 56 | ~1884 |
| Helen Lambert | Daughter | — | 25 | ~1915 |
| Robert Lambert | Son | — | 21 | ~1919 |
Census Appearances
1930
Blair, Pennsylvania
Son, age 10
Blair, Pennsylvania · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lumbert |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Son, age 21
Blair-County, Pennsylvania · implied b. ~1919 — 10 household members
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Occupation | Laborer |
| Industry | CCC Govt Project |
| Class of Worker | GW |
| Income (1939) | 400 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Lambert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lambert
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Leo Lambert
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lambert
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Lambert
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Lambert
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Lambert
Sibling · 1940 · age 27
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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03437-00755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen B Reed | 48 | Wife | — | Pennsylvania |
| 42 | Florence Wilkins | 30 | Daughter | — | Pennsylvania |
| 43 | Helen Wilkins | 12 | Granddaughter | — | Pennsylvania |
| 44 | Shirley J Wilkins | 9 | Granddaughter | — | Pennsylvania |
| 45 | John J Lambert | 61 | Head | Helper | Pennsylvania |
| 46 | Anna Lambert | 56 | Wife | — | Pennsylvania |
| 47 | Joseph Lambert | 27 | Son | New Worker | Pennsylvania |
| 48 | Helen Lambert | 25 | Daughter | New Worker | Pennsylvania |
| 49 | Robert Lambert THIS PERSON | 21 | Son | Laborer | Pennsylvania |
| 50 | James Lambert | 18 | Son | — | Pennsylvania |
| 51 | Anna M Lambert | 13 | Daughter | — | Pennsylvania |
| 52 | Leo Lambert | 10 | Son | — | Pennsylvania |
| 53 | Barbara Grimme | 90 | Aunt | — | Maryland |
| 54 | William Myers | 56 | Lodger | Boiler Maker | Pennsylvania |
| 55 | Annie Miller | 54 | Head | Housekeeper | West Virginia |
| 56 | Rosa Miller | 30 | Daughter | Housekeeper | Pennsylvania |
| 57 | James Miller | 26 | Son | — | Pennsylvania |
| 58 | Viola Bromley | 39 | Head | Housekeeper | Georgia |
| 59 | Keater Kale | 50 | Lodger | — | Ohio |
| 60 | Ella Tillman | 55 | Head | — | Texas |
| 61 | Whitelaw Tillman | 39 | Son | Porter | Colorado |
| 62 | Julius Smith | 27 | Head | Barber | Maryland |
| 63 | Naomi Smith | 28 | Wife | — | Pennsylvania |
| 64 | Basil J Smith | 6 | Son | — | Pennsylvania |
| 65 | Adline V Smith | 4 | Daughter | — | Pennsylvania |
| 66 | Franklin Jackson | 35 | Lodger | Head Bell-Man | North Carolina |
| 67 | Walter Townsend | 32 | Lodger | Bell Boy | West Virginia |
| 68 | Jennie Townsend | 52 | Lodger | — | Mississippi |
| 69 | Edward Brown | 60 | Head | — | Mississippi |
| 70 | Thas Gardner | 25 | Head | Laborer | Pennsylvania |
| 71 | Helen Gardner | 20 | Wife | — | Pennsylvania |
| 72 | Donna Gardner | 4 | Daughter | — | Pennsylvania |
| 73 | Charles Gardner | 3 | Son | — | Pennsylvania |
| 74 | William Gardner | 2 | Son | — | Pennsylvania |
| 75 | Infant Gardner | 0 | Son | — | Pennsylvania |
| 76 | Robert Wilcox | 36 | Head | Laborer | Pennsylvania |
| 77 | Margaret Wilcox | 30 | Wife | — | Pennsylvania |
| 78 | Robert Wilcox | 10 | Son | — | Pennsylvania |
| 79 | Shirley Wilcox | 9 | Daughter | — | Pennsylvania |
| 80 | Grace Wilcox | 7 | Daughter | — | Pennsylvania |
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)