RC
Robert Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harford-County, Maryland
Our Model Tree links this Robert Collins across the 1930 and 1940 US Censuses in Harford-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 12-person household.
Age 68
b. ~1872
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harford-County, Maryland |
| Surname | Collins |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 2 |
| 1935 Residence (County) | Harford |
| Additional Details | |
| Occupation | Farm Hand |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 80 |
| Income (1939) | 266 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farm Hand |
| Township / Ward | Election District 2 |
| Est. Birth Year | ~1872 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Hattie Collins | Daughter | — | 32 | ~1908 |
| Margaret Collins | Daughter | — | 25 | ~1915 |
| Dorothy Bond | Daughter | — | 19 | ~1921 |
| Nellie Giles | Daughter | — | 37 | ~1903 |
| Robert Collins | Head | — | 68 | ~1872 |
| Roy Giles | Other | — | 33 | ~1907 |
| Robert Collins | Son | — | 40 | ~1900 |
| William Collins | Son | — | 33 | ~1907 |
| Archer Collins | Son | — | 26 | ~1914 |
| Lee Collins | Son | — | 30 | ~1910 |
| Roy Giles | Son | — | 4 | ~1936 |
| Harriet Collins | Spouse | — | 67 | ~1873 |
Census Appearances
1930
Harford, Maryland
Head, age 58
Harford, Maryland · implied b. ~1872 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm laborer |
| Industry | Gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Harford-County, Maryland
Head, age 68
Harford-County, Maryland · implied b. ~1872 — 12 household members
| Surname | Collins |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 2 |
| 1935 Residence (County) | Harford |
| Occupation | Farm Hand |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 80 |
| Income (1939) | 266 |
| Highest Grade | No 3 |
| 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 Robert Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Collins
Head · 1940 · age 68 · b. ~1872 · Maryland
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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-t0627-01551-00242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gertrude Sampson | 29 | Wife | — | Maryland |
| 42 | George D. Sampson | 13 | Son | — | Maryland |
| 43 | Walter E. Thomas | 51 | Head | Farmer | Maryland |
| 44 | Myrtle Thomas | 44 | Wife | — | Maryland |
| 45 | Irene Thomas | 15 | Daughter | — | Maryland |
| 46 | Harold Barnes | 33 | Head | Lumberman | Maryland |
| 47 | Emily Barnes | 21 | Wife | — | Virginia |
| 48 | Herbert Carico | 45 | Head | Farmer | Virginia |
| 49 | Louise Carico | 44 | Wife | — | Maryland |
| 50 | Janice Carico | 13 | Daughter | — | Maryland |
| 51 | William Carico | 70 | Head | — | Virginia |
| 52 | Mattie Carico | 61 | Wife | — | Virginia |
| 53 | Jean Morgan | 21 | Daughter | Operator | Maryland |
| 54 | Lillian Southall | 49 | Wife | Housekeeper | Virginia |
| 55 | Robert Collins THIS PERSON | 68 | Head | Farm Hand | Maryland |
| 56 | Harriet Collins | 67 | Wife | — | Maryland |
| 57 | Robert Collins | 40 | Son | — | Maryland |
| 58 | William Collins | 33 | Son | Farm Hand | Maryland |
| 59 | Hattie Collins | 32 | Daughter | — | Maryland |
| 60 | Lee Collins | 30 | Son | — | Maryland |
| 61 | Archer Collins | 26 | Son | Farm Hand | Maryland |
| 62 | Margaret Collins | 25 | Daughter | — | Maryland |
| 63 | Roy Giles | 33 | Son-in-law | Farm Hand | Maryland |
| 64 | Nellie Giles | 37 | Daughter | — | Maryland |
| 65 | Roy, Jr. Giles | 4 | Son | — | Maryland |
| 66 | Dorothy Bond | 19 | Daughter | — | Maryland |
| 67 | Antonia Korycki | 78 | Head | — | Poland |
| 68 | Edmund Korycki | 42 | Son | Farmer | Maryland |
| 69 | Frank Korycki | 37 | Son | Lumberman | Maryland |
| 70 | Albert Atkinson | 59 | Head | Laborer | Maryland |
| 71 | Sadie Atkinson | 57 | Wife | — | Maryland |
| 72 | Earl Atkinson | 25 | Son | — | Maryland |
| 73 | Harry Atkinson | 20 | Son | — | Maryland |
| 74 | Herbert Atkinson | 18 | Son | — | Maryland |
| 75 | Spencer Atkinson | 17 | Son | — | Maryland |
| 76 | Helen Atkinson | 15 | Daughter | — | Maryland |
| 77 | James Atkinson | 14 | Son | — | Maryland |
| 78 | Andrew Walter | 59 | Head | Watchman | Maryland |
| 79 | Lucy Walter | 58 | Wife | — | Maryland |
| 80 | Henry Barthowiak | 60 | Head | Farm Hand | Poland |
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)