RL
Robert Lambert — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cass, North Dakota
Our Model Tree links this Robert Lambert across the 1920 and 1930 US Censuses in Cass, North Dakota (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 11
b. ~1919
Male
Son
Born: North Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cass, North Dakota |
| Surname | Lambert |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Nebraska |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Township / Ward | Casselton City |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Audrey Lambert | Daughter | — | 1 | ~1929 |
| William Lambert | Head | — | 39 | ~1891 |
| Louella Lambert | Daughter | — | 16 | ~1914 |
| Robert Lambert | Son | — | 11 | ~1919 |
| Jeanette Lambert | Daughter | — | 7 | ~1923 |
| Geraldine Lambert | Daughter | — | 3 | ~1927 |
| Bertin Lambert | Son | — | 14 | ~1916 |
| Lucile Lambert | Daughter | — | 9 | ~1921 |
| Louise Lambert | Other | — | 33 | ~1897 |
Census Appearances
1920
Cass, North …
Son, age
Cass, North Dakota · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Iowa |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Cass, North …
Son, age 11
Cass, North Dakota · implied b. ~1919 — 9 household members
| Surname | Lambert |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 (1920 and 1930) in Cass, North Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lambert
Son · 1930 · age 11 · b. ~1919 · North Dakota
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Sibling
Louella Lambert
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Lambert
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Lambert
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertin Lambert
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Lambert
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Lambert
Sibling · 1930 · 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
1930 US Federal Census — Cass, North Dakota
Open full size
1930 US Federal Census — Cass, North Dakota
Page Contents
49 people indexed on this census page (ia:1930:15thcensus1733unit:0108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William F. Lambert | 39 | Head | Patrolman | North Dakota |
| 2 | Louise M. Lambert | 33 | Wife-H | — | Nebraska |
| 3 | Louella M. Lambert | 16 | Daughter | — | North Dakota |
| 4 | Bertin W. Lambert | 14 | Son | — | North Dakota |
| 5 | Robert C. Lambert THIS PERSON | 11 | Son | — | North Dakota |
| 6 | Lucile L. Lambert | 9 | Daughter | — | North Dakota |
| 7 | Jeanette I. Lambert | 7 | Daughter | — | North Dakota |
| 8 | Geraldine L. Lambert | 3 | Daughter | — | North Dakota |
| 9 | Audrey M. Lambert | 1 | Daughter | — | North Dakota |
| 10 | John A. Brekke | 32 | Head | Mechanic | North Dakota |
| 11 | Josephine A. Brekke | 32 | Wife-H | — | North Dakota |
| 12 | George O. Brekke | 21 | Brother | Mechanic | North Dakota |
| 13 | Hugo V. Preuss | 46 | Head | Undertaker | North Dakota |
| 14 | Minnie M. Preuss | 50 | Wife-H | — | Illinois |
| 15 | Lois E. Preuss | 16 | Daughter | — | Minnesota |
| 16 | Robert H. Preuss | 22 | Son | Electrician | Minnesota |
| 17 | Vernella K. Preuss | 23 | Daughter-in-law | — | North Dakota |
| 18 | Robert E. Preuss | 1 | Grandson | — | North Dakota |
| 19 | Norma E. Nicholson | 18 | Roomer | Operator | Minnesota |
| 20 | Lawrence J. Johnson | 46 | Head | Manager | Minnesota |
| 21 | Sophia S. Johnson | 41 | Wife-H | — | North Dakota |
| 22 | Earline A. Johnson | 12 | Daughter | — | North Dakota |
| 23 | Gladys A. Morken | 26 | Roomer | Waitress | North Dakota |
| 24 | Chris Olson | 46 | Head | Watchman | Minnesota |
| 25 | Edith M. Olson | 18 | Daughter | Servant | Minnesota |
| 26 | Clarence A. Olson | 17 | Son | — | North Dakota |
| 27 | Leroy G. Olson | 12 | Son | — | North Dakota |
| 28 | Edna M. Olson | 8 | Daughter | — | North Dakota |
| 29 | Frank A. Olson | 29 | Head | Laborer | Minnesota |
| 30 | Lillie M. Olson | 22 | Wife-H | Housework | Minnesota |
| 31 | Ruby V. Olson | 3 | Daughter | — | Minnesota |
| 32 | Shirley M. Olson | 1 | Daughter | — | North Dakota |
| 33 | Ferd F. Dreier | 37 | Head | Fireman | Minnesota |
| 34 | Selma M. Dreier | 36 | Wife-H | — | North Dakota |
| 35 | Robert F. Dreier | 10 | Son | — | California |
| 36 | Eleanor M. Dreier | 5 | Daughter | — | North Dakota |
| 37 | Fred W. Alith | 70 | Father-in-law | — | Hamburg, Germany |
| 38 | Wilhelmina C. Alith | 70 | Mother-in-law | — | Bremen, Germany |
| 39 | Lutha Burcham | 67 | Head | Laborer | Wisconsin |
| 40 | Hubert Gimprich | 44 | Head | Foreman Cross Ties | Czechoslovakia |
| 41 | Rose C. Gimprich | 34 | Wife-H | Meat Trimmer | Minnesota |
| 42 | Clara C. Gimprich | 16 | Daughter | — | Minnesota |
| 43 | Gisela H. Gimprich | 15 | Daughter | — | Minnesota |
| 44 | Scott English | 77 | Head | Highway Worker | Pennsylvania |
| 45 | Elizabeth M. English | 73 | Wife-H | — | Wisconsin |
| 46 | Edward S. English | 40 | Son | Maintainer | North Dakota |
| 47 | Charles Hayford | 27 | Head | Pharmacist | North Dakota |
| 48 | Eleanor Hayford | 23 | Wife-H | — | North Dakota |
| 49 | Jacqueline M. Hayford | 0 | Daughter | — | North Dakota |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)