WF
William Fitzpatrick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harford-County, Maryland
Our Model Tree links this William Fitzpatrick across the 1930 and 1940 US Censuses in Harford-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harford-County, Maryland |
| Surname | Fitzpatrick |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 1 |
| 1935 Residence (County) | Harford |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 1 |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Fitzpatrick | Spouse | — | 39 | ~1901 |
| Robert Fitzpatrick | Son | — | 5 | ~1935 |
| Daniel Fitzpatrick | Son | — | 9 | ~1931 |
| John Fitzpatrick | Head | — | 52 | ~1888 |
| Richard Fitzpatrick | Son | — | 6 | ~1934 |
| Elizabeth Fitzpatrick | Daughter | — | 16 | ~1924 |
| John Fitzpatrick | Son | — | 15 | ~1925 |
| William Fitzpatrick | Son | — | 14 | ~1926 |
Census Appearances
1930
Harford, Maryland
Son, age 3
Harford, Maryland · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Harford-County, Maryland
Son, age 14
Harford-County, Maryland · implied b. ~1926 — 8 household members
| Surname | Fitzpatrick |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 1 |
| 1935 Residence (County) | Harford |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Fitzpatrick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Fitzpatrick
Son · 1940 · age 14 · b. ~1926 · Maryland
★ You are viewing this record
Sibling
Elizabeth Fitzpatrick
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Fitzpatrick
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Fitzpatrick
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Fitzpatrick
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Fitzpatrick
Sibling · 1940 · age 6
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 — Harford-County, Maryland
Open full size
1940 US Federal Census — Harford-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01551-00032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances Blevins | 4 | Grand daught | — | Maryland |
| 42 | James M. Sexton | 46 | Head | Guard | North Carolina |
| 43 | Ruth Sexton | 32 | Wife | Seamstress | North Carolina |
| 44 | Mary Ellen Sexton | 14 | Daughter | — | North Carolina |
| 45 | Annie Mae Sexton | 11 | Daughter | — | Maryland |
| 46 | Rosa C. Daugherty | 51 | Head | Maid & Cook | Maryland |
| 47 | Edward Cromwell | 29 | Son | Butler & Houseman | Maryland |
| 48 | Edward Cromwell | 59 | Head | Janitor | Maryland |
| 49 | Dolly Cromwell | 65 | Wife | Maid | Maryland |
| 50 | William H. Cromwell | 18 | Nephew | — | Maryland |
| 51 | Thomas S. Dubree | 60 | Head | — | Maryland |
| 52 | Florence Dubree | 56 | Wife | — | Maryland |
| 53 | Ralph Dubree | 26 | Son | Laborer | Maryland |
| 54 | John Dubree | 24 | Son | Laborer | Maryland |
| 55 | Allan Dubree | 20 | Son | Laborer | Maryland |
| 56 | Sherman Dubree | 16 | Son | Laborer | Maryland |
| 57 | Franklin Dubree | 12 | Grandson | — | Maryland |
| 58 | Catherine A. Dubree | 4 | Daughter | — | Maryland |
| 59 | Basil Stamper | 27 | Head | Carpenter | North Carolina |
| 60 | Hazel Stamper | 23 | Wife | — | North Carolina |
| 61 | Herman Stamper | 5 | Son | — | North Carolina |
| 62 | Nauda Lee Stamper | 2 | Daughter | — | North Carolina |
| 63 | William Burkin | 22 | Head | Laborer | Maryland |
| 64 | Marie Burkin | 18 | Wife | Assembler | Pennsylvania |
| 65 | John J. Fitzpatrick | 52 | Head | Electrician | Maryland |
| 66 | Elizabeth Fitzpatrick | 39 | Wife | — | Maryland |
| 67 | Elizabeth Fitzpatrick | 16 | Daughter | — | Maryland |
| 68 | John Jr. Fitzpatrick | 15 | Son | — | Maryland |
| 69 | William Fitzpatrick THIS PERSON | 14 | Son | — | Maryland |
| 70 | Daniel Fitzpatrick | 9 | Son | — | Maryland |
| 71 | Richard Fitzpatrick | 6 | Son | — | Maryland |
| 72 | Robert Fitzpatrick | 5 | Son | — | Maryland |
| 73 | L. Thomas Harris | 33 | Head | Trackman | Maryland |
| 74 | Edith Harris | 39 | Wife | Maid | Maryland |
| 75 | Clara Turner | 61 | Head | Maid | Maryland |
| 76 | Hattie Turner | 42 | Daughter | — | Maryland |
| 77 | Harry Turner | 16 | Son | Laborer | Maryland |
| 78 | Etta B. Cage | 69 | Head | — | Maryland |
| 79 | Warren J. Edge | 33 | Head | Laborer | Maryland |
| 80 | Clara Edge | 30 | Wife | — | Maryland |
Related Census Records
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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)