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John Mccullough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cecil-County, Maryland
Our Model Tree links this John Mccullough across the 1920, 1930 and 1940 US Censuses in Cecil-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 4-person household.
Age 69
b. ~1871
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cecil-County, Maryland |
| Surname | McCullough |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. #8 |
| 1935 Residence (County) | Cecil |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election Dist 8 |
| Est. Birth Year | ~1871 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alexander Mccullough | Son | — | 16 | ~1924 |
| John Mccullough | Head | — | 69 | ~1871 |
| Clara Mccullough | Daughter | — | 11 | ~1929 |
| Ella Mccullough | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Cecil, Maryland
Head, age 48
Cecil, Maryland · implied b. ~1872 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCullough |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Year of Naturalization | F |
| Birthplace (normalized) | maryland |
1930
Cecil, Maryland
Head, age 59
Cecil, Maryland · implied b. ~1871 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCullough |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Cecil-County, Maryland
Head, age 69
Cecil-County, Maryland · implied b. ~1871 — 4 household members
| Surname | McCullough |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. #8 |
| 1935 Residence (County) | Cecil |
| Highest Grade | H 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 John Mccullough across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mccullough
Head · 1940 · age 69 · b. ~1871 · Maryland
★ 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 — Cecil-County, Maryland
Open full size
1940 US Federal Census — Cecil-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01545-00709)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Thompson | 11 | daughter | — | Maryland |
| 42 | Earnest Thompson | 9 | son | — | Maryland |
| 43 | Edward D. Harmon | 67 | Head | Trackman | Pennsylvania |
| 44 | Sterling Herbert | 36 | nephew | Laborer | Maryland |
| 45 | Reba Herbert | 36 | niece | — | Maryland |
| 46 | William H. Sprout | 70 | Head | Laborer | Maryland |
| 47 | Sarah E. Sprout | 71 | wife | — | Pennsylvania |
| 48 | George Cole | 33 | Head | Carpenter | Virginia |
| 49 | Verna Cole | 24 | wife | — | Virginia |
| 50 | Raymond Cole | 12 | son | — | Pennsylvania |
| 51 | Robert Cole | 11 | son | — | Pennsylvania |
| 52 | Ray Cole | 8 | son | — | Maryland |
| 53 | Charles Cole | 5 | son | — | Maryland |
| 54 | Charles Brown | 61 | Head | Farmer | Virginia |
| 55 | Myrtle Brown | 42 | wife | — | Virginia |
| 56 | Kenneth C. Brown | 20 | son | Assist. Leader | Virginia |
| 57 | Cecil Brown | 13 | son | — | Maryland |
| 58 | Jackie Brown | 8 | son | — | Pennsylvania |
| 59 | Wilmina C. Brown | 3 | daughter | — | Maryland |
| 60 | John A. Mccullough THIS PERSON | 69 | Head | — | Maryland |
| 61 | Ella J. Mccullough | 53 | wife | — | Pennsylvania |
| 62 | Alexander Mccullough | 16 | son | — | Pennsylvania |
| 63 | Clara Mccullough | 11 | daughter | — | Maryland |
| 64 | Curtis Daughton | 35 | Head | Laborer | Maryland |
| 65 | Florence Daughton | 38 | wife | — | Pennsylvania |
| 66 | George W. Lee | 74 | Head | — | Maryland |
| 67 | Harry Roberson | 43 | son-in-law | — | New York |
| 68 | Gertrude Roberson | 45 | daughter | Reg. Nurse | Maryland |
| 69 | Amos W. Poland | 65 | Head | Farmer | North Carolina |
| 70 | Clemmie V. Poland | 64 | wife | — | North Carolina |
| 71 | Clara Mccullough | 61 | Head | — | Maryland |
| 72 | Alonzo Hess | 61 | lodger | Carpenter | Maryland |
| 73 | Earl A. Trimble | 44 | Head | Labourer | Maryland |
| 74 | Nora Trimble | 37 | wife | — | Maryland |
| 75 | Elaine Trimble | 13 | daughter | — | Maryland |
| 76 | Paul H. Belcher | 31 | Head | Laborer | Virginia |
| 77 | Jean Belcher | 19 | wife | — | Virginia |
| 78 | Hubert E. Belcher | 5 | son | — | Maryland |
| 79 | — | None | — | — | — |
| 80 | Delmar E. Devonshire | 39 | Head | Laborer | 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)