RM
Robert May — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Robert May across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Wayne & Flora — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | May |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Highest Grade | C-5 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Minneapolis City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Wayne May | Head | — | 63 | ~1877 |
| Robert May | Son | — | 22 | ~1918 |
| Leona May | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 2
Hennepin, Minnesota · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 12
Hennepin, Minnesota · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Son, age 22
Hennepin-County, Minnesota · implied b. ~1918 — 3 household members
| Surname | May |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Highest Grade | C-5 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Wayne May (~0.92 confidence) and mother Flora May (~0.92 confidence) and mother Leona May (~0.92 confidence) and mother Letha May (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wayne May
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Flora May
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Leona May
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Letha May
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert May
Son · 1940 · age 22 · b. ~1918 · Minnesota
★ 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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01980-00478)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George L. Glender | 35 | Head | Machinist | Wisconsin |
| 2 | Mildred A. Glender | 27 | Wife | — | Wisconsin |
| 3 | Leo M. Kane | 30 | Head | Clerk | Minnesota |
| 4 | Helen E. Kane | 30 | Wife | Operator | Minnesota |
| 5 | Peter Carlson | 53 | Father-in-law | Plumber | Sweden |
| 6 | Leon R. Conger | 45 | Head | Machinist | Minnesota |
| 7 | Christine B. Conger | 46 | Wife | — | North Dakota |
| 8 | Frank G. Evans | 68 | Head | Buffer | Indiana |
| 9 | Verna D. Evans | 68 | Wife | — | Minnesota |
| 10 | Bruce Burgess | 26 | Lodger | Salesman | Minnesota |
| 11 | Wayne H. May | 63 | Head | Doctor | Minnesota |
| 12 | Leona H. May | 54 | Wife | — | Iowa |
| 13 | Robert J. May THIS PERSON | 22 | Son | — | Minnesota |
| 14 | Mary R. Gish | 46 | Head | Manager | Germany |
| 15 | Anton J. Grimstad | 62 | Head | Shipping Clerk | Norway |
| 16 | Carol K. Grimstad | 53 | Wife | — | Minnesota |
| 17 | W. Weillermay | 77 | Head | — | Minnesota |
| 19 | M. J. Murphy | 71 | Head | Manager | Minnesota |
| 20 | Francis D. Murphy | 41 | Son | — | Minnesota |
| 21 | Iva O. Morris | 52 | Lodger | Typist | Nebraska |
| 22 | Doris Sipress | 46 | Housekeeper | Housekeeper | Illinois |
| 23 | Leo F. Paul | 57 | Head | Salesman | Minnesota |
| 24 | Edna L. Paul | 58 | Wife | — | Minnesota |
| 25 | Robert D. Paul | 21 | Son | Clerk | Minnesota |
| 26 | James R. Paul | 22 | Son | Salesman | Minnesota |
| 27 | Ida M. Hanson | 52 | Head | Landlady | Minnesota |
| 28 | Earl H. Hanson | 23 | Son | U. S. Navy | Minnesota |
| 29 | Jennie Johnson | 58 | Lodger | Operator | Minnesota |
| 30 | Catherine E. Burgess | 23 | Lodger | Stenographer | North Dakota |
| 31 | Juliana Neste | 23 | Lodger | Stenographer | North Dakota |
| 32 | Mabel Hagenstad | 44 | Lodger | Beautician | Wisconsin |
| 33 | Frances Anderson | 29 | Lodger | Waitress | Wisconsin |
| 34 | Anthony Morgans | 28 | Head | Boiler Maker | Minnesota |
| 35 | Ruth D. Morgans | 23 | Wife | — | Minnesota |
| 36 | Ruth E. Ning | 27 | Lodger | New Worker | Minnesota |
| 37 | Mildred V. Ning | 28 | Lodger | Waitress | Minnesota |
| 38 | Adonijah R. Bowers | 64 | Head | Laborer | Illinois |
| 39 | Clara P. Bowers | 60 | Wife | — | Illinois |
| 40 | Alice L. Bowers | 26 | Daughter | Waitress | Kansas |
Pedigree Summary
Robert
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)