RN
Robert Nichols — 1930 US Census Record
Model Tree available1930 United States Federal Census · Oklahoma, Oklahoma
Our Model Tree links this Robert Nichols across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Oklahoma, Oklahoma (XGBoost, ~Confirmed), with identified parents Bert & Martha — first a head (b.~1894), then head of a 10-person household.
Age 36
b. ~1894
Male
Head
Born: Alabama
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Oklahoma, Oklahoma |
| Surname | Nichols |
| Given Name | Robert N |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 19 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farmer |
| Township / Ward | Deep Fork Township |
| Est. Birth Year | ~1894 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Queen Nichols | Daughter | — | 7 | ~1923 |
| Irene Nichols | Other | — | 33 | ~1897 |
| Hannah Nichols | Daughter | — | 9 | ~1921 |
| Robert Nichols | Head | — | 36 | ~1894 |
| David Nichols | Son | — | 1 | ~1929 |
| Moses Nichols | Son | — | 8 | ~1922 |
| Burt Nichols | Son | — | 12 | ~1918 |
| Mable Nichols | Daughter | — | 16 | ~1914 |
| Rachel Nichols | Daughter | — | 4 | ~1926 |
| Enoch Nichols | Son | — | 11 | ~1919 |
Census Appearances
1900
Oklahoma, Oklahoma
Son, age 7
Oklahoma, Oklahoma · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichol |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Alabama |
| Birth Month | Dec |
| Birth Year | 1893 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1910
Oklahoma, Oklahoma
Son, age 16
Oklahoma, Oklahoma · implied b. ~1894 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Farm |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Oklahoma, Oklahoma
Head, age 25
Oklahoma, Oklahoma · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farming |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Oklahoma, Oklahoma
Head, age 36
Oklahoma, Oklahoma · implied b. ~1894 — 10 household members
| Surname | Nichols |
| Given Name | Robert N |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 19 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Oklahoma-County, Oklahoma
Head, age 46
Oklahoma-County, Oklahoma · implied b. ~1894 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | R. N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Deep Fork |
| 1935 Residence (County) | Oklahoma |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bert Nichols (~0.92 confidence) and mother Martha Nichols (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bert Nichols
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Martha Nichols
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Nichols
Head · 1930 · age 36 · b. ~1894 · Oklahoma
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Oklahoma, Oklahoma
Open full size
1930 US Federal Census — Oklahoma, Oklahoma
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1917unit:0925)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert N Nichols THIS PERSON | 36 | Head | Farmer | Alabama |
| 52 | Irene Nichols | 33 | Wife H | — | Oklahoma |
| 53 | Mable Nichols | 16 | Daughter | — | Oklahoma |
| 54 | Burt Nichols | 12 | Son | — | Oklahoma |
| 55 | Enoch Nichols | 11 | Son | — | Oklahoma |
| 56 | Hannah Nichols | 9 | Daughter | — | Oklahoma |
| 57 | Moses Nichols | 8 | Son | — | Oklahoma |
| 58 | Queen Esther Nichols | 7 | Daughter | — | Oklahoma |
| 59 | Rachel Nichols | 4 | Daughter | — | Oklahoma |
| 60 | David Nichols | 1 | Son | — | Oklahoma |
| 61 | Arthur L Johnson | 31 | Head | Farmer | Oklahoma |
| 62 | Beatrice L Johnson | 28 | Wife H | — | Oklahoma |
| 63 | Johnnie R Morris | 15 | Son | — | Oklahoma |
| 64 | Mollie Mary Morris | 13 | Daughter | — | Oklahoma |
| 65 | Juanita Morris | 8 | Daughter | — | Oklahoma |
| 66 | Susan E Tyler | 62 | Mother in law | — | Texas |
| 67 | Thomas Fox | 56 | Head | Laborer | Alabama |
| 68 | Laura Fox | 53 | Wife H | — | Mississippi |
| 69 | Claude Fox | 18 | Son | Laborer | Mississippi |
| 70 | Willie V Fox | 13 | Daughter | — | Oklahoma |
| 71 | Tommie Fox | 12 | Son | — | Oklahoma |
| 72 | Johnnie Fox | 32 | Head | Laborer | Mississippi |
| 73 | Agnes Fox | 24 | Wife H | — | Oklahoma |
| 74 | Spencer Houston | 53 | Head | Farmer | Alabama |
| 75 | Lucie Houston | 49 | Wife H | — | Texas |
| 76 | Oscar Walker | 35 | Head | Farmer | Texas |
| 77 | Eva Walker | 27 | Wife H | — | Georgia |
| 78 | J Simon Perrey | 68 | Head | — | Indiana |
| 79 | Mary Ann Perrey | 77 | Wife H | — | Missouri |
| 80 | William R Perrey | 16 | Son | — | Oklahoma |
| 81 | Marvin Lee Perrey | 9 | Son | — | Oklahoma |
| 82 | Julia E Perrey | 88 | Mother | — | Illinois |
| 83 | C L Dorsett | 32 | Head | Farmer | Texas |
| 84 | Agnes Mae Dorsett | 29 | Wife H | — | Oklahoma |
| 85 | Geo Graham | 37 | Head | Farmer | Oklahoma |
| 86 | Eva M Graham | 35 | Wife H | — | Alabama |
| 87 | Willie George Graham | 16 | Son | — | Alabama |
| 88 | Willie Earl Graham | 7 | Son | — | Oklahoma |
| 89 | Isaac Folson | 28 | Head | Farmer | Oklahoma |
| 90 | Gladys Folson | 24 | Wife H | — | Oklahoma |
| 91 | Alvera Folson | 1 | Daughter | — | Oklahoma |
| 92 | Orville B Roberts | 26 | Head | Farmer | Oklahoma |
| 93 | Cora Irene Roberts | 23 | Wife H | — | Missouri |
| 94 | Marceda M Roberts | 1 | Daughter | — | Oklahoma |
| 95 | Lyle Melton | 18 | Brother in law | Laborer | Missouri |
| 96 | Wm M Davis | 50 | Head | Farmer | Tennessee |
| 97 | Luana Davis | 17 | Daughter | — | Oklahoma |
| 98 | James R Davis | 44 | Head | Farmer | Tennessee |
| 99 | Lula Davis | 41 | Wife H | — | Tennessee |
| 100 | Ivory M Davis | 21 | Daughter | Teacher | Oklahoma |
Pedigree Summary
Robert
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)