RP
Robert Parker — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Robert Parker across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Grafton & Lulu — first a head (b.~1897), then head of a 6-person household.
Age 33
b. ~1897
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Parker |
| Given Name | Robert P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Salesman |
| Industry | Water Filter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1897 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Parker | Head | — | 33 | ~1897 |
| George Hopkins | Other | — | 24 | ~1906 |
| Grace Hopkins | Other | — | 27 | ~1903 |
| George Parker | Son | — | 4 | ~1926 |
| Robert Parker | Son | — | 3 | ~1927 |
| Alice Parker | Spouse | — | 31 | ~1899 |
Census Appearances
1910
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Robert R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1897 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Robert R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Illinois |
| Occupation | Chauffeur |
| Industry | Private Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 33
Cook, Illinois · implied b. ~1897 — 6 household members
| Surname | Parker |
| Given Name | Robert P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Water Filter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Parker across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Grafton Parker (~0.92 confidence) and mother Lulu Parker (~0.92 confidence) and mother Roberta Parker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Grafton Parker
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Lulu Parker
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Roberta Parker
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Parker
Head · 1930 · age 33 · b. ~1897 · Illinois
★ 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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel443:0602)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence | 18 | Daughter | Operator | Illinois |
| 2 | William J | 15 | Son | None | Illinois |
| 3 | Joseph | 12 | Son | None | Illinois |
| 4 | Margaret | 11 | Daughter | None | Illinois |
| 5 | Ann Jean | 8 | Daughter | None | Illinois |
| 6 | Rita | 7 | Daughter | None | Illinois |
| 7 | James | 4 | Son | None | Illinois |
| 8 | Edward | 2 | Son | None | Illinois |
| 9 | Rosemary | 0 | Daughter | None | Illinois |
| 10 | Elizabeth Campbell | 80 | Head | None | Pennsylvania |
| 11 | Ella F Campbell | 50 | Daughter | None | Pennsylvania |
| 12 | Wilda Phelps | 30 | Roomer | Teacher | Indiana |
| 13 | Grace Allen | 55 | Roomer | Stenographer | Indiana |
| 14 | Bervert Jensen | 65 | Head | Night Watchman | Switzerland |
| 15 | Selma Jensen | 56 | Wife | None | Germany |
| 16 | Walter P Jensen | 15 | Son | None | Illinois |
| 17 | Helene G Jensen | 14 | Daughter | None | Illinois |
| 18 | Samuel Tschandener | 53 | Head | Elevator Oper | Austria |
| 19 | Samuel Tschandener | 24 | Son | Chauffeur | Illinois |
| 20 | Wilhelmina Tschandener | 13 | Daughter | None | Illinois |
| 21 | Albert Windling | 53 | Head | Motorman | Illinois |
| 22 | Margo Windling | 48 | Wife | None | Illinois |
| 23 | Helen Windling | 12 | Daughter | None | Illinois |
| 24 | James F Mist | 40 | Head | Manager | Illinois |
| 25 | Lily Mist | 37 | Wife | None | Illinois |
| 26 | Alfred J Mist | 10 | Son | None | Illinois |
| 27 | Guy Mist | 4 | Son | None | Illinois |
| 28 | Alfred P Weber | 79 | Father | Architect | Berlin Germany |
| 29 | Harold Hallman | 31 | Head | Motor Tester | Michigan |
| 30 | Lou Belle Hallman | 26 | Wife | None | Missouri |
| 31 | Adah May Hallman | 4 | Daughter | None | Illinois |
| 32 | Thomas W Hallman | 2 | Son | None | Illinois |
| 33 | Frank M Fitzgerald | 51 | Head | Electrician | Illinois |
| 34 | Mary E Fitzgerald | 46 | Wife | None | Illinois |
| 35 | Robert F Fitzgerald | 19 | Son | Apprentice | Illinois |
| 36 | James Fitzgerald | 14 | Son | None | Illinois |
| 37 | Rita M Fitzgerald | 9 | Daughter | None | Illinois |
| 38 | Henry Tink | 61 | Head | Carpenter | Germany |
| 39 | Amanda Tink | 54 | Wife | None | Germany |
| 40 | Edward Tink | 17 | Son | None | Illinois |
| 41 | Charles L Swenson | 62 | Head | Cemetery | Illinois |
| 42 | Edith M Swenson | 59 | Wife | None | New York |
| 43 | Emma Swenson | 60 | Sister | None | Illinois |
| 44 | Robert P Parker THIS PERSON | 33 | Head | Salesman | Illinois |
| 45 | Alice Parker | 31 | Wife | Church Worker | Illinois |
| 46 | George Parker | 4 | Son | None | Illinois |
| 47 | Robert Jr Parker | 3 | Son | None | Illinois |
| 48 | George Hopkins | 24 | Brother in law | Credit Mgr | Illinois |
| 49 | Grace Hopkins | 27 | Sister in law | Secretary | Illinois |
| 50 | James Koch | 39 | Head | Cement Finisher | Missouri |
Pedigree Summary
Robert
Gen 1 · 3 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)