RP
Robert Porter — 1930 US Census Record
Model Tree available1930 United States Federal Census · Warren, Illinois
Our Model Tree links this Robert Porter across the 1910, 1920 and 1930 US Censuses in Warren, Illinois (XGBoost, ~Confirmed), with identified parents Mort & Morton — first a son (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Warren, Illinois |
| Surname | Porter |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Monmouth City |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Alice Porter | Daughter | — | 5 | ~1925 |
| Morton Porter | Head | — | 55 | ~1875 |
| Robert Porter | Son | — | 21 | ~1909 |
| Mabel Porter | Spouse | — | 54 | ~1876 |
Census Appearances
1910
Warren, Illinois
Son, age 1
Warren, Illinois · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Warren, Illinois
Son, age 10
Warren, Illinois · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Robert H. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Warren, Illinois
Son, age 21
Warren, Illinois · implied b. ~1909 — 4 household members
| Surname | Porter |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| 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 Porter across 3 US Census years (1910, 1920 and 1930) in Warren, Illinois, using XGBoost record linkage. Identified parents: father Mort Porter (~0.92 confidence) and father Morton Porter (~0.92 confidence) and father M Porter (~0.92 confidence) and mother Mabel Porter (~0.92 confidence) and mother Mabel Porter (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mort Porter
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Morton Porter
b. ~1875
Source father
● Household
· direct · ~0.92
Father
M Porter
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mabel Porter
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mabel Porter
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Porter
Son · 1930 · age 21 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Alice Porter
Sibling · 1930 · age 5
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 — Warren, Illinois
Open full size
1930 US Federal Census — Warren, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel565:0723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Morton E. Porter | 55 | Head | Sheriff | Illinois |
| 2 | Mabel F. Porter | 54 | Wife | — | Illinois |
| 3 | Robert Porter THIS PERSON | 21 | Son | — | Illinois |
| 4 | Alice Lillian H. Porter | 5 | Daughter | — | Colorado |
| 5 | Bruce Buchanan | 34 | Head | Minister | Ohio |
| 6 | Marguerite Buchanan | 31 | Wife | — | Egypt |
| 7 | Lee H. Buchanan | 5 | Son | — | Abyssinia |
| 8 | Robert H. Buchanan | 2 | Son | — | Sudan |
| 9 | Clark M. Young | 79 | Head | — | Ohio |
| 10 | Annetta Young | 75 | Wife | — | Illinois |
| 11 | Chester Higgins | 57 | Roomer | Patrolman | Illinois |
| 12 | Mabel Gamble | 75 | Head | — | Ohio |
| 13 | Rosamond Gamble | 48 | Daughter | — | Illinois |
| 14 | Marvin E. Guthrie | 56 | Head | Potter | Ohio |
| 15 | Josephine Guthrie | 53 | Wife | — | Ohio |
| 16 | Elmer Guthrie | 19 | Son | Finisher | Illinois |
| 17 | Howard E. Guthrie | 11 | Son | — | Illinois |
| 18 | Mary L. Wimberly | 83 | Head | — | New York |
| 19 | Jessie Wimberly | 46 | Daughter | — | Illinois |
| 20 | John Mark | 37 | Roomer | Mechanic | Illinois |
| 21 | Ernest E. Ryden | 21 | Head | Linotype Operator | Illinois |
| 22 | Pauline Ryden | 21 | Wife | — | Illinois |
| 23 | Sarah Carr | 71 | Head | — | Illinois |
| 24 | Tillie Carr | 68 | Sister | — | Illinois |
| 25 | Mabel Carr | 56 | Sister | — | Illinois |
| 26 | Eva Green | 36 | Head | — | Indiana |
| 27 | Harry L. Risley | 54 | Roomer | Contractor | Illinois |
| 28 | Martha Jean Miller | 15 | Roomer | — | Illinois |
| 29 | Francis Neal | 21 | Roomer | — | Illinois |
| 30 | Frank E. Leroy | 62 | Head | Butcher | Illinois |
| 31 | Eva M. Leroy | 55 | Wife | — | Pennsylvania |
| 32 | Donald Melvin Leroy | 17 | Son | Clerk | Illinois |
| 33 | H. Sheldon Cobb | 36 | Head | Salesman | Illinois |
| 34 | Eunice Cobb | 35 | Wife | — | Illinois |
| 35 | Martha J. Cobb | 14 | Daughter | — | Illinois |
| 36 | Catherine Cobb | 11 | Daughter | — | Illinois |
| 37 | John F. Cobb | 9 | Son | — | Illinois |
| 38 | Evan R. Cobb | 2 | Son | — | Illinois |
| 39 | Harold Cramer | 26 | Roomer | Maker | Illinois |
| 40 | John Means | 37 | Head | Pressman | Iowa |
| 41 | Edward Means | 9 | Son | — | Iowa |
| 42 | Charles Mclaughlan | 70 | Roomer | — | Illinois |
| 43 | Minnie Luft | 51 | Roomer | Clerk | Illinois |
| 44 | Andrew J. Lofberg | 75 | Head | — | Illinois |
| 45 | Lofberg | 70 | Wife | — | Illinois |
| 46 | James S. Ashenhurst | 59 | Head | Buying + Selling | Missouri |
| 47 | Lucy Ashenhurst | 59 | Wife | — | Pennsylvania |
| 48 | Charles D. De Moss | 30 | Head | Agent | Iowa |
| 49 | Grace De Moss | 29 | Wife | — | Indiana |
| 50 | Betty De Moss | 8 | Daughter | — | Iowa |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 5 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)