RM
Robert Morrison — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, Pennsylvania
Our Model Tree links this Robert Morrison across the 1930 and 1940 US Censuses in Mercer-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 10-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Pennsylvania |
| Surname | Morrison |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pymatuning Twp |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 80 |
| Income (1939) | 690 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Pymatuning Twp |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Janet Morrison | Daughter | — | 19 | ~1921 |
| Hannah Morrison | Spouse | — | 44 | ~1896 |
| Norman Morrison | Son | — | 9 | ~1931 |
| Robert Morrison | Son | — | 22 | ~1918 |
| Thomas Morrison | Son | — | 17 | ~1923 |
| Verlene Morrison | Daughter | — | 11 | ~1929 |
| James Morrison | Son | — | 4 | ~1936 |
| Lester Morrison | Son | — | 15 | ~1925 |
| La Morrison | Daughter | — | 5 | ~1935 |
| Basil Morrison | Head | — | 47 | ~1893 |
Census Appearances
1930
Mercer, Pennsylvania
Son, age 12
Mercer, Pennsylvania · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrison |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Mercer-County, Pennsylvania
Son, age 22
Mercer-County, Pennsylvania · implied b. ~1918 — 10 household members
| Surname | Morrison |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pymatuning Twp |
| 1935 Residence (County) | Mercer |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 80 |
| Income (1939) | 690 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Morrison across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Morrison
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
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Sibling
Verlene Morrison
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
La Morrison
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Morrison
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Morrison
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Morrison
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Morrison
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Morrison
Sibling · 1940 · age 4
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 — Mercer-County, Pennsylvania
Open full size
1940 US Federal Census — Mercer-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03571-00727)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Steve Poppe | 61 | Head | Laborer | Hungary |
| 42 | Mary Poppe | 61 | Wife | — | Hungary |
| 43 | Karl Reinold | 48 | Head | Farmer | Pennsylvania |
| 44 | Ruth Reinold | 43 | Wife | — | Pennsylvania |
| 45 | Jack Reinold | 21 | Son | Chipper | Pennsylvania |
| 46 | Jane Reinold | 17 | Daughter | — | Pennsylvania |
| 47 | Joyce Reinold | 13 | Daughter | — | Pennsylvania |
| 48 | D. Lynne Hull | 23 | Lodger | Teacher | Pennsylvania |
| 49 | Anne Colebrich | 53 | Head | — | Hungary |
| 50 | Helen Colebrich | 16 | Daughter | — | Pennsylvania |
| 51 | Robert Colebrich | 14 | Son | — | Pennsylvania |
| 52 | Basil Morrison | 47 | Head | Farmer | Pennsylvania |
| 53 | Hannah Morrison | 44 | Wife | — | Pennsylvania |
| 54 | Robert Morrison THIS PERSON | 22 | Son | Farmer | Pennsylvania |
| 55 | Janet Morrison | 19 | Daughter | — | Pennsylvania |
| 56 | Thomas Morrison | 17 | Son | — | Pennsylvania |
| 57 | Lester Morrison | 15 | Son | — | Pennsylvania |
| 58 | Verlene Morrison | 11 | Daughter | — | Pennsylvania |
| 59 | Norman Morrison | 9 | Son | — | Pennsylvania |
| 60 | La Wanda Morrison | 5 | Daughter | — | Pennsylvania |
| 61 | James Morrison | 4 | Son | — | Pennsylvania |
| 62 | Philip Mortimer | 77 | Head | Farmer | Pennsylvania |
| 63 | Emily Elizabeth Mortimer | 74 | Sister | — | Pennsylvania |
| 64 | Edward C. Mortimer | 55 | Brother | Farmer | Pennsylvania |
| 65 | Walter Unangst | 45 | Head | Farmer | Pennsylvania |
| 66 | Bessie Unangst | 43 | Wife | — | Pennsylvania |
| 67 | Larry H. Unangst | 16 | Son | — | Pennsylvania |
| 68 | John W. Moore | 48 | Head | Clerk | Ohio |
| 69 | Frank Derr | 38 | Head | Sulfur Maker | Pennsylvania |
| 70 | Pearl Derr | 32 | Wife | — | Pennsylvania |
| 71 | Harry Derr | 17 | Son | — | Pennsylvania |
| 72 | Duane Derr | 15 | Son | — | Pennsylvania |
| 73 | Frances Derr | 13 | Daughter | — | Pennsylvania |
| 74 | Delores Derr | 11 | Daughter | — | Pennsylvania |
| 75 | Gladys Derr | 6 | Daughter | — | Pennsylvania |
| 76 | Austin Polley | 34 | Head | Farmer | New York |
| 77 | Mabel Polley | 31 | Wife | — | Pennsylvania |
| 78 | Carl Polley | 7 | Son | — | Pennsylvania |
| 79 | Dale Polley | 4 | Son | — | Pennsylvania |
| 80 | Fred Chestnut | 45 | Head | Farmer | Pennsylvania |
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)