RF
Robert Fitzgerald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Robert Fitzgerald across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Fitzgerald |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Delivery Boy |
| Industry | Drug Store |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 726 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Delivery Boy |
| Township / Ward | Detroit 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Harold Fitzgerald | Son | — | 20 | ~1920 |
| Florence Fitzgerald | Spouse | — | 48 | ~1892 |
| Arthur Fitzgerald | Head | — | 50 | ~1890 |
| Donald Fitzgerald | Son | — | 15 | ~1925 |
| Marjorie Fitzgerald | Daughter | — | 8 | ~1932 |
| Ralph Fitzgerald | Son | — | 11 | ~1929 |
| Robert Fitzgerald | Son | — | 22 | ~1918 |
| Richard Fitzgerald | Son | — | 17 | ~1923 |
| Gerald Fitzgerald | Son | — | 13 | ~1927 |
Census Appearances
1930
Wayne, Michigan
Son, age 12
Wayne, Michigan · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Wayne-County, Michigan
Son, age 22
Wayne-County, Michigan · implied b. ~1918 — 9 household members
| Surname | Fitzgerald |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Delivery Boy |
| Industry | Drug Store |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 726 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Fitzgerald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Fitzgerald
Son · 1940 · age 22 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
Ralph Fitzgerald
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Fitzgerald
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Fitzgerald
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Fitzgerald
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Fitzgerald
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Fitzgerald
Sibling · 1940 · age 17
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
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01891-00223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Martel | 58 | Head | Mechanic | Michigan |
| 42 | Clara Martel | 49 | Wife | — | Michigan |
| 43 | George Martel | 29 | Son | Bender | Michigan |
| 44 | John Martel | 26 | Son | Repairman | Michigan |
| 45 | Joseph Martel | 25 | Son | Assembler | Michigan |
| 46 | Arthur Fitzgerald | 50 | Head | Meat Inspector | Missouri |
| 47 | Florence Fitzgerald | 48 | Wife | — | Illinois |
| 48 | Robert Fitzgerald THIS PERSON | 22 | Son | Delivery Boy | Missouri |
| 49 | Harold Fitzgerald | 20 | Son | New Worker | Missouri |
| 50 | Richard Fitzgerald | 17 | Son | Delivery Boy | Michigan |
| 51 | Donald Fitzgerald | 15 | Son | — | Michigan |
| 52 | Gerald Fitzgerald | 13 | Son | — | Michigan |
| 53 | Ralph Fitzgerald | 11 | Son | — | Michigan |
| 54 | Marjorie Fitzgerald | 8 | Daughter | — | Michigan |
| 55 | Henry Glover | 43 | Head | Plasterer | England |
| 56 | Ethel Glover | 40 | Wife | — | England |
| 57 | Shirley Glover | 12 | Daughter | — | Michigan |
| 58 | Walter Cornfoot | 57 | Head | Bumper | Michigan |
| 59 | Ina Cornfoot | 41 | Wife | Punch Press Operat. | Michigan |
| 60 | Bessie|Bessit Cornfoot | 15 | Daughter | — | Michigan |
| 61 | James Leverington | 53 | Head | Decorator | Illinois |
| 62 | Alice Newsham | 50 | Sister | — | England |
| 63 | Doris Newsham | 25 | Niece | Personal Maid | England |
| 64 | William Maxwell | 34 | Head | Machinist | Scotland |
| 65 | Helen Maxwell | 24 | Wife | — | Michigan |
| 66 | William Maxwell | 10 | Son | — | Pennsylvania |
| 67 | Angela Sinagra | 43 | Head | — | Malta |
| 68 | Mary Sinagra | 11 | Daughter | — | Michigan |
| 69 | Catherine Sinagra | 5 | Daughter | — | Michigan |
| 70 | August Zammit | 64 | Lodger | — | Malta |
| 71 | Charles Michael | 38 | Head | Carpenter | Kansas |
| 72 | Kathrine Michael | 37 | Wife | Meter Reader | Michigan |
| 73 | Lucille Mutt | 16 | Step Daughter | — | Michigan |
| 74 | Marjorie Michael | 11 | Daughter | — | Michigan |
| 75 | Charles Michael | 8 | Son | — | Michigan |
| 76 | Jacqueline Michael | 5 | Daughter | — | Michigan |
| 77 | Michael | 2 | Son | — | Michigan |
| 78 | Harry Jones | 38 | Head | Transfer Man | Indiana |
| 79 | Mildred Jones | 40 | Wife | — | Michigan |
| 80 | Jones | 1 | Son | — | Michigan |
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)