WF
William Fitzgerald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this William Fitzgerald across the 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 26-person household.
Age 20
b. ~1920
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Fitzgerald |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Laborer |
| Industry | Building Const |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | St Paul |
| Est. Birth Year | ~1920 |
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.
26 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Joan Bula | Daughter | — | 14 | ~1926 |
| Gertrude Shiely | Daughter | — | 19 | ~1921 |
| Jean Sullivan | Daughter | — | 17 | ~1923 |
| Emily Fitzgerald | Daughter | — | 7 | ~1933 |
| Mary Sullivan | Daughter | — | 6 | ~1934 |
| Selma Cederstrom | Head | — | 66 | ~1874 |
| James Fitzgerald | Other | — | 12 | ~1928 |
| John Messmer | Other | — | 23 | ~1917 |
| Evelyn Buckman | Other | — | 23 | ~1917 |
| Angelia Zodermer | Other | — | 21 | ~1919 |
| Roy Kochney | Other | — | 9 | ~1931 |
| Lawrence Tate | Other | — | 28 | ~1912 |
| Alma Erickson | Other | — | 35 | ~1905 |
| Wilma Hubert | Other | — | 25 | ~1915 |
| Anna Erickson | Other | — | 77 | ~1863 |
| Frank Schwartz | Other | — | 47 | ~1893 |
| Ruth Thone | Other | — | 22 | ~1918 |
| Florence Fitzgerald | Other | — | 25 | ~1915 |
| Florence Peterson | Other | — | 20 | ~1920 |
| Marion Thompson | Other | — | 18 | ~1922 |
| Otto Hagie | Son | — | 24 | ~1916 |
| James Sullivan | Son | — | 19 | ~1921 |
| William Fitzgerald | Son | — | 20 | ~1920 |
| James Bula | Son | — | 12 | ~1928 |
| James Fitzgerald | Son | — | 31 | ~1909 |
| John Sullivan | Son | — | 14 | ~1926 |
Census Appearances
1930
Ramsey, Minnesota
Son, age 10
Ramsey, Minnesota · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | William D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 20
Ramsey-County, Minnesota · implied b. ~1920 — 26 household members
| Surname | Fitzgerald |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul |
| 1935 Residence (County) | Ramsey |
| Occupation | Laborer |
| Industry | Building Const |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 200 |
| Highest Grade | Hs 4 |
| 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 William Fitzgerald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Fitzgerald
Son · 1940 · age 20 · b. ~1920 · Minnesota
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Sibling
Gertrude Shiely
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Sullivan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Bula
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sullivan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Bula
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Fitzgerald
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emily Fitzgerald
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otto Hagie
Sibling · 1940 · age 24
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01998-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ann David | 24 | Lodger | Card Indexer | Minnesota |
| 2 | Paul L. Ridley | 35 | Lodger | Police Officer | Minnesota |
| 3 | Harold J. Koenig | 22 | Lodger | Salesman | Minnesota |
| 4 | Jerome P. Donlin | 13 | Son | — | Minnesota |
| 5 | Catherine Dancer | 23 | Servant | House Maid | North Dakota |
| 6 | Mildred K. Laughrey | 36 | Sister in law | Grade School Teacher | Wisconsin |
| 7 | Selma S. Cederstrom | 66 | Head | Milliner | Sweden |
| 8 | Marion Thompson | 18 | Servant | House Maid | Wisconsin |
| 9 | Joan Bula | 14 | Daughter | — | Wisconsin |
| 10 | James Bula | 12 | Son | — | Wisconsin |
| 11 | Frank C. Schwartz | 47 | Lodger | Waiter | Minnesota |
| 12 | William P. Fitzgerald THIS PERSON | 20 | Son | Laborer | Minnesota |
| 13 | Emily A. Fitzgerald | 7 | Daughter | — | Minnesota |
| 14 | James E. Jr. Fitzgerald | 31 | Son | Cattle Buyer | Minnesota |
| 15 | Florence E. Fitzgerald | 25 | Daughter in law | — | Minnesota |
| 16 | James E. 3Rd Fitzgerald | 12 | Grandson | — | Minnesota |
| 17 | Florence Peterson | 20 | Servant | House Maid | Minnesota |
| 18 | James Sullivan | 19 | Son | Office Clerk | Minnesota |
| 19 | Jean Sullivan | 17 | Daughter | — | Minnesota |
| 20 | John Sullivan | 14 | Son | — | Minnesota |
| 21 | Mary K. Sullivan | 6 | Daughter | — | Minnesota |
| 22 | Wilma Hubert | 25 | Lodger | Stenographer | Minnesota |
| 23 | Anna Erickson | 77 | Mother in law | — | Sweden |
| 24 | Gertrude Shiely | 19 | Daughter | — | Minnesota |
| 25 | Alma Erickson | 35 | Servant | House Maid | Sweden |
| 26 | John Messmer | 23 | Brother | Bone Trimmer | Minnesota |
| 27 | Angelia Zodermer | 21 | Servant | House Maid | Minnesota |
| 28 | Evelyn Buckman | 23 | Servant | House Maid | Minnesota |
| 29 | Roy Kochney | 9 | Foster-son | — | Minnesota |
| 30 | Lawrence W. Jr. Tate | 28 | Lodger | Processing Tax Inspector | Kansas |
| 31 | Otto M. Jr. (At) Hagie | 24 | Son | — | Minnesota |
| 32 | Ruth E. Thone | 22 | Servant | House Maid | Minnesota |
| 33 | Lloyd Rydeen | 36 | Head | Estimator | Minnesota |
| 34 | Eleanor Rydeen | 28 | Wife | — | Minnesota |
| 35 | Edward Rydeen | 6 | Son | — | Minnesota |
| 36 | June Rydeen | 4 | Daughter | — | Minnesota |
Related Census Records
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)