RN
Robert Nichols — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caroline-County, Maryland
Our Model Tree links this Robert Nichols across the 1920, 1930 and 1940 US Censuses in Caroline-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Male
Head
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Caroline-County, Maryland |
| Surname | Nichols |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Federalsburg Town |
| 1935 Residence (County) | Caroline |
| Additional Details | |
| Occupation | Unable to Work |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Unable To Work |
| Township / Ward | Federalsburg Town |
| Est. Birth Year | ~1880 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Hubert Nichols | Son | — | 23 | ~1917 |
| Mary Nichols | Spouse | — | 58 | ~1882 |
| Robert Nichols | Head | — | 60 | ~1880 |
Census Appearances
1920
Caroline, Maryland
Head, age 36
Caroline, Maryland · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Robert B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | O |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Caroline, Maryland
Head, age 46
Caroline, Maryland · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 27 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | carpenter |
| Industry | house |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Caroline-County, Maryland
Head, age 60
Caroline-County, Maryland · implied b. ~1880 — 3 household members
| Surname | Nichols |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Federalsburg Town |
| 1935 Residence (County) | Caroline |
| Occupation | Unable to Work |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Nichols
Head · 1940 · age 60 · b. ~1880 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Caroline-County, Maryland
Open full size
1940 US Federal Census — Caroline-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01543-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilmer H. Davis | 3 | Head | — | Maryland |
| 2 | Alice G. Davis | 16 | Head | At Home | Delaware |
| 3 | Theo Kruger | 23 | Head | Polymer Chemist | Delaware |
| 4 | Mary H. Kruger | 26 | Wife | At Home | Maryland |
| 5 | Harry M. Carroll | 73 | Head | — | Maryland |
| 6 | Carrie D. Carroll | 71 | Wife | At Home | Maryland |
| 7 | J. Russell Hansen | 46 | Son | Asst. Clerk | Maryland |
| 8 | Edwin B. Hansen | 40 | Head | Salesman | Ohio |
| 9 | Etta W. Hansen | 40 | Wife | At Home | Ohio |
| 10 | Tom W. Hansen | 21 | Son | Boatman | Ohio |
| 11 | Donna M. Hansen | 14 | Daughter | In School | Ohio |
| 12 | Elizabeth Christopher | 55 | Head | At Home | Maryland |
| 13 | Lawrence Christopher | 28 | Son | Button Cutter | Maryland |
| 14 | Helen Christopher | 23 | Wife | At Home | Maryland |
| 15 | Larry Christopher | 12 | Son | — | Maryland |
| 16 | Victor Christopher | 25 | Son | Button Cutter | Maryland |
| 17 | Charles Jarman | 23 | Boarder | Factory Employee | Maryland |
| 18 | Lee Sullivan | 28 | Boarder | Button Cutter | Maryland |
| 19 | Norman Tucker | 23 | Boarder | Factory Employee | Delaware |
| 20 | Wm. Lord | 20 | Boarder | Factory Employee | Delaware |
| 21 | Emerson Willis | 21 | Boarder | Operator | New Jersey |
| 22 | Cecil Lubbe | 40 | Head | Butcher | Delaware |
| 23 | Marie Lubbe | 35 | Wife | At Home | Maryland |
| 24 | Katherine Lubbe | 17 | Daughter | Cashier (Part Time) | Maryland |
| 25 | Fay Lubbe | 12 | Daughter | In School | Maryland |
| 26 | Ella D. Jeffers|Jeffery | 81 | Head | At Home | Maryland |
| 27 | J. L. Wheatley | 64 | Head | Canning | Maryland |
| 28 | Clara V. Wheatley | 66 | Wife | At Home | Maryland |
| 29 | E. D. Mccoy | 65 | Head | Lumbering & Farming | Pennsylvania |
| 30 | Delores Mccoy | 72 | Wife | At Home | Maryland |
| 31 | Wm. Mitchell | 31 | Head | Salesman | Delaware |
| 32 | Lillie Mitchell | 29 | Wife | Factory Employee | Delaware |
| 33 | Martha Mitchell | 10 | Daughter | In School | Maryland |
| 34 | Leroy Ford | 23 | Head | Assistant Foreman | Maryland |
| 35 | Nellie Ford | 22 | Wife | Factory Employee | Delaware |
| 36 | Lucy Mitchell | 42 | Mother | At Home | Delaware |
| 37 | Rita Mitchell | 12 | Sister | In School | Delaware |
| 38 | Robert Nichols THIS PERSON | 60 | Head | Unable To Work | Delaware |
| 39 | Mary Nichols | 58 | Wife | At Home | Maryland |
| 40 | Hubert Nichols | 23 | Son | Office | Maryland |
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)