RM
Robert May — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mclean, Illinois
Our Model Tree links this Robert May across the 1930 and 1940 US Censuses in Mclean, Illinois (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mclean, Illinois |
| Surname | May |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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 | Bloomington Township |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Thomas May | Head | — | 45 | ~1885 |
| Charles May | Son | — | 2 | ~1928 |
| Lilly May | Other | — | 43 | ~1887 |
| Marian May | Daughter | — | 1 | ~1929 |
| Albert May | Son | — | 10 | ~1920 |
| Robert May | Son | — | 12 | ~1918 |
| Virginia May | Daughter | — | 16 | ~1914 |
| Audrey May | Daughter | — | 14 | ~1916 |
| Edwin May | Son | — | 4 | ~1926 |
| Katherine May | Daughter | — | 8 | ~1922 |
Census Appearances
1930
Mclean, Illinois
Son, age 12
Mclean, Illinois · implied b. ~1918 — 10 household members
| Surname | May |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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 |
1940
Mclean-County, Illinois
Son, age 22
Mclean-County, Illinois · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mays |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Bloomington City |
| 1935 Residence (County) | McLean |
| Occupation | Laborer |
| Industry | Manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| 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 May across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert May
Son · 1930 · age 12 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Edwin May
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine May
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia May
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert May
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles May
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian May
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey May
Sibling · 1930 · age 14
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 — Mclean, Illinois
Open full size
1930 US Federal Census — Mclean, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel535:0206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stanley Cwik | 17 | son | Farm Laborer | Illinois |
| 2 | Mary Cwik | 4 | daughter | — | Illinois |
| 3 | Thomas J. May | 45 | Head | Laborer | Illinois |
| 4 | Lilly May | 43 | Wife-H | — | Illinois |
| 5 | Virginia May | 16 | daughter | Nursemaid | Illinois |
| 6 | Audrey May | 14 | daughter | Sorter | Illinois |
| 7 | Robert May THIS PERSON | 12 | son | — | Illinois |
| 8 | Albert May | 10 | son | — | Illinois |
| 9 | Katherine May | 8 | daughter | — | Illinois |
| 10 | Edwin May | 4 | son | — | Illinois |
| 11 | Charles W. May | 2 | son | — | Illinois |
| 12 | Marian May | 1 | daughter | — | Illinois |
| 13 | Edward Gardner | 65 | Head | Gardener | Pennsylvania |
| 14 | George E. Chapman | 55 | Head | Farmer | Ohio |
| 15 | Louisa E. Chapman | 50 | Wife-H | — | Illinois |
| 16 | Nolla Morgan | 56 | Hired man | Farm Laborer | Illinois |
| 17 | Mamie Bridston | 50 | Head-H | — | Illinois |
| 18 | Leon Bridston | 28 | son | Owner | Illinois |
| 19 | Charles Bridston | 23 | son | Apprentice | Illinois |
| 20 | Wesley Bridston | 19 | son | Machinist | Illinois |
| 21 | William C. Wrights | 47 | Head | Gardener | Illinois |
| 22 | Martha A. Wrights | 49 | Sister-H | — | Illinois |
| 23 | Fred Alexander | 57 | Head | Farmer | Illinois |
| 24 | Rose Alexander | 43 | Wife-H | — | Illinois |
| 25 | Esther Alexander | 22 | daughter | Clerk | Illinois |
| 26 | Viola Alexander | 17 | daughter | Cottage Girl | Illinois |
| 27 | Eleanor Alexander | 16 | daughter | Elevator Girl | Illinois |
| 28 | Lucille Alexander | 14 | daughter | Assistant | Illinois |
| 29 | Arthur Alexander | 11 | son | — | Illinois |
| 30 | Charles Alexander | 7 | son | — | Illinois |
| 31 | Russell Alexander | 5 | son | — | Illinois |
| 32 | Robert Alexander | 2 | son | — | Illinois |
| 33 | Lester Blessing | 45 | Head | Fireman | West Virginia |
| 34 | Lulu Blessing | 35 | Wife-H | — | Tennessee |
| 35 | Florence Moffitt | 17 | Step-daughter | Labeling | Illinois |
| 36 | Laurence Moffitt | 15 | Step-son | — | Illinois |
| 37 | Clarence Moffitt | 11 | Step-son | — | Illinois |
| 38 | Bernice Moffitt | 10 | Step-daughter | — | Illinois |
| 39 | James M. Blessing | 2 | son | — | Illinois |
| 40 | Bettie J. Blessing | 0 | daughter | — | Illinois |
| 41 | Vernon Smith | 21 | Head | Dairy Man | Illinois |
| 42 | Smith | 20 | Wife-H | — | Illinois |
| 43 | Barbara A. Smith | 1 | daughter | — | Illinois |
| 44 | Albert | 57 | Father | Caretaker | Illinois |
| 45 | Albert | 52 | Mother | — | Illinois |
| 46 | Alvie Duley | 22 | Head | Laborer | Illinois |
| 47 | Frances Duley | 20 | Wife-H | Folder | Illinois |
| 48 | Fred Boesche | 73 | Head | Farmer | Germany |
| 49 | Marie Boesche | 71 | Wife-H | — | Germany |
| 50 | Fred Jr. Womack | 47 | Head | Manager | Illinois |
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)