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Mary Barnes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harford-County, Maryland
Our Model Tree links this Mary Barnes across the 1930 and 1940 US Censuses in Harford-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 9-person household.
Age 48
b. ~1892
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harford-County, Maryland |
| Surname | Barnes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3 |
| 1935 Residence (County) | Harford |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 3 |
| Est. Birth Year | ~1892 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence Barnes | Daughter | — | 29 | ~1911 |
| Emma Barnes | Daughter | — | 17 | ~1923 |
| Anna Barnes | Daughter | — | 20 | ~1920 |
| Margaret Barnes | Daughter | — | 22 | ~1918 |
| John Barnes | Head | — | 57 | ~1883 |
| Irvin Barnes | Other | — | 4 | ~1936 |
| Charles Barnes | Other | — | 6 | ~1934 |
| John Barnes | Son | — | 27 | ~1913 |
| Mary Barnes | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Harford, Maryland
Other, age 37
Harford, Maryland · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barnes |
| Given Name | Mary |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 17 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Harford-County, Maryland
Spouse, age 48
Harford-County, Maryland · implied b. ~1892 — 9 household members
| Surname | Barnes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3 |
| 1935 Residence (County) | Harford |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| 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 Mary Barnes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Barnes
Spouse · 1940 · age 48 · b. ~1892 · 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-t0627-01551-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | F Williams | 13 | Grandson | — | Pennsylvania |
| 42 | Eleanor Williams | 3 | Granddau | — | Pennsylvania |
| 43 | Virginia Williams | 12 | Adopted | — | New York |
| 44 | Madelaine Dorrance | 25 | Head | Physiotherapist | Pennsylvania |
| 45 | Milton E Stovall | 35 | Head | Manager | Maryland |
| 46 | Clara C Stovall | 30 | Wife | — | Maryland |
| 47 | Estella E Everist | 64 | Mother in law | — | Maryland |
| 48 | Woodrow Shenk | 22 | Helper | Attendant | Maryland |
| 49 | Birdie S Knight | 17 | Waitress | Waitress | Maryland |
| 50 | Henry S Williamson | 73 | Head | Farmer | Maryland |
| 51 | Oliver C Blackburn | 23 | Head | Manager | Pennsylvania |
| 52 | Elizabeth A Blackburn | 23 | Wife | — | Pennsylvania |
| 53 | Mary Smith | 60 | Head | — | Maryland |
| 54 | Bernard D Smith | 36 | Son | Laborer | Maryland |
| 55 | Gerald Smith | 34 | Son | Laborer | Maryland |
| 56 | Helena Smith | 27 | Daughter | — | Maryland |
| 57 | James Smith | 20 | Son | — | Maryland |
| 58 | Reid D Cheek | 39 | Head | Electrician Helper | North Carolina |
| 59 | Thelma O Cheek | 34 | Wife | — | North Carolina |
| 60 | Glita Cheek | 15 | Daughter | — | Maryland |
| 61 | Rosalee Cheek | 10 | Daughter | — | Maryland |
| 62 | Howard Cheek | 9 | Son | — | Maryland |
| 63 | Norajean Cheek | 5 | Daughter | — | Maryland |
| 64 | Talmadge Cheek | 2 | Son | — | Maryland |
| 65 | Spurgeon E Gantz | 23 | Head | Truck Driver | Pennsylvania |
| 66 | Naomi S Gantz | 20 | Wife | — | Pennsylvania |
| 67 | John Gantz | 4 | Son | — | Pennsylvania |
| 68 | David W Thompson | 40 | Brother in law | Fireman | Maryland |
| 69 | Ruth Thompson | 16 | Sister | — | Pennsylvania |
| 70 | Alma Thompson | 13 | Daughter | — | Pennsylvania |
| 71 | Jean Thompson | 11 | Daughter | — | Pennsylvania |
| 72 | John Barnes | 57 | Head | Laborer | Maryland |
| 73 | Mary Barnes THIS PERSON | 48 | Wife | — | Maryland |
| 74 | Florence Barnes | 29 | Daughter | — | Maryland |
| 75 | John Barnes | 27 | Son | — | Maryland |
| 76 | Margaret Barnes | 22 | Daughter | — | Maryland |
| 77 | Anna Barnes | 20 | Daughter | — | Maryland |
| 78 | Emma Barnes | 17 | Daughter | — | Maryland |
| 79 | Charles Barnes | 6 | Grandson | — | Maryland |
| 80 | Irvin Barnes | 4 | Granddaughter | — | Maryland |
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)