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Mary Palmer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Mary Palmer across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 6-person household.
Age 60
b. ~1880
Female
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Palmer |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1880 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marie O'Loughlin | Daughter | — | 30 | ~1910 |
| Mary Palmer | Head | — | 60 | ~1880 |
| Marietta O'Loughlin | Other | — | 7 | ~1933 |
| Richard O'Loughlin | Other | — | 8 | ~1932 |
| Donald O'Loughlin | Other | — | 10 | ~1930 |
| Benjamine Cockayne | Other | — | 37 | ~1903 |
Census Appearances
1920
Sangamon, Illinois
Head, age 39
Sangamon, Illinois · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Palmer |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | England |
| Year of Immigration | 1903 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Drill Work |
| Industry | Watch Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Sangamon, Illinois
Other, age 50
Sangamon, Illinois · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Palmer |
| Given Name | Mary |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | driller |
| Industry | watch factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 18.00 |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Sangamon-County, Illinois
Head, age 60
Sangamon-County, Illinois · implied b. ~1880 — 6 household members
| Surname | Palmer |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Mary Palmer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Palmer
Head · 1940 · age 60 · b. ~1880 · Illinois
★ 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00884-00422)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Pearl Kopatz | 16 | Son | — | Illinois |
| 42 | Frederick J Kopatz | 14 | Son | — | Illinois |
| 43 | Arthur Raymond Kopatz | 12 | Son | — | Illinois |
| 44 | Anna Marie Kopatz | 10 | Daughter | — | Illinois |
| 45 | George H Trott | 72 | Head | — | Illinois |
| 46 | Adella Trott | 58 | Wife | — | Arkansas |
| 47 | George F Trott | 37 | Son | Mechanic | Illinois |
| 48 | Ruth Trott | 34 | Piece | — | Illinois |
| 49 | Frank R Trott | 30 | Nephew | Mechanic | Illinois |
| 50 | Marion Martin Trott | 18 | Nephew | — | Illinois |
| 51 | Hannah E Thomas | 87 | Head | — | Illinois |
| 52 | Albert E Thomas | 55 | Son | Carpenter | Illinois |
| 53 | Harry Glover | 29 | Nephew | Furnace Metal And Repair | Illinois |
| 54 | Johann Glover | 86 | Great Aunt | — | Illinois |
| 55 | Mary Palmer THIS PERSON | 60 | Head | — | England |
| 56 | Marie O'Loughlin | 30 | Daughter | Maid | Illinois |
| 57 | Donald O'Loughlin | 10 | Grandson | — | Illinois |
| 58 | Richard O'Loughlin | 8 | Grandson | — | Illinois |
| 59 | Marietta O'Loughlin | 7 | Granddaughter | — | Illinois |
| 60 | Benjamine Cockayne | 37 | Piece | Maid | England |
| 61 | William Jr Gaspard | 54 | Head | Journeyman Plumber | Wisconsin |
| 62 | Lillian Gaspard | 48 | Wife | — | Ohio |
| 63 | Robert Gaspard | 15 | Son | — | Illinois |
| 64 | Bessie Hicks | 42 | Head | Housekeeper | Missouri |
| 65 | James B Guy | 54 | Head | Water Tender | Indiana |
| 66 | Lola Guy | 37 | Wife | — | Illinois |
| 67 | James Dale Guy | 16 | Son | — | Illinois |
| 68 | Verna Lee Guy | 14 | Daughter | — | Illinois |
| 69 | Lester W Gitter | 28 | Head | Sweeper | Illinois |
| 70 | Cecil Cartwright Gitter | 21 | Wife | Clerk | Illinois |
| 71 | Ed William Conaway | 51 | Head | Plaster | Dist. Columbia |
| 72 | Mary Ann Conaway | 52 | Wife | — | Illinois |
| 73 | Edward Conaway | 28 | Son | Musician | Illinois |
| 74 | Lucia Conaway | 21 | Son | — | Illinois |
| 75 | — | None | — | — | — |
| 76 | Carl Mack | 63 | Head | Miner | Germany |
| 77 | Charlotte Mack | 57 | Wife | — | Germany |
| 78 | Ernest Paul Mack | 25 | Head | Warehouseman | Illinois |
| 79 | Helen Gertrude Mack | 20 | Wife | — | Illinois |
| 80 | James Richard Mack | 4 | Son | — | Illinois |
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)