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Mary May — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary May across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 3-person household.
Age 54
b. ~1876
Female
Spouse
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1876 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Emma May | Daughter | — | 16 | ~1914 |
| Thomas May | Head | — | 54 | ~1876 |
| Mary May | Spouse | — | 54 | ~1876 |
Census Appearances
1910
Philadelphia, Pennsylvania
Spouse, age 39
Philadelphia, Pennsylvania · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 16 |
| Children Born | 7 |
| Children Living | 4 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Spouse, age 47
Philadelphia, Pennsylvania · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Spouse, age 54
Philadelphia, Pennsylvania · implied b. ~1876 — 3 household members
| Surname | May |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| 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 Mary May across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary May
Spouse · 1930 · age 54 · b. ~1876 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2107:0334)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank D Lacy | 37 | Head | Clerk | Pennsylvania |
| 52 | Irene E Lacy | 36 | Wife | — | Pennsylvania |
| 53 | Ruth A Lacy | 8 | Daughter | — | Pennsylvania |
| 54 | Marion L Lacy | 3 | Daughter | — | Pennsylvania |
| 55 | Morgan Gannod | 37 | Head | Police Officer | Pennsylvania |
| 56 | Helen Gannod | 30 | Wife | — | Pennsylvania |
| 57 | Edward Gannod | 15 | Son | — | Pennsylvania |
| 58 | Margaret Gannod | 6 | Daughter | — | Pennsylvania |
| 59 | George M Hill | 46 | Head | Foreman | Pennsylvania |
| 60 | Elsie Hill | 45 | Wife | — | Pennsylvania |
| 61 | Edward Hardie | 44 | Lodger | Story | Pennsylvania |
| 62 | Albert L Genner | 29 | Head | Chauffeur | Pennsylvania |
| 63 | Dorothy G Genner | 27 | Wife | — | Pennsylvania |
| 64 | Irving Yarnall | 45 | Head | Chemist | Pennsylvania |
| 65 | Matilda Yarnall | 45 | Wife | — | Pennsylvania |
| 66 | Carl Yarnall | 22 | Son | Chemist Helper | Pennsylvania |
| 67 | Doris Yarnall | 16 | Daughter | — | Pennsylvania |
| 68 | Jack Yarnall | 9 | Son | — | Pennsylvania |
| 69 | Jean Yarnall | 5 | Daughter | — | Pennsylvania |
| 70 | Gladys Yarnall | 2 | Daughter | — | Pennsylvania |
| 71 | John Miller | 47 | Head | Leather Worker | Scotland |
| 72 | Ida Miller | 51 | Wife | — | Pennsylvania |
| 73 | Marie Miller | 21 | Daughter | Stenographer | Pennsylvania |
| 74 | Grace Miller | 14 | Daughter | — | Pennsylvania |
| 75 | Thomas May | 54 | Head | Machinist | Pennsylvania |
| 76 | Mary May THIS PERSON | 54 | Wife | — | Pennsylvania |
| 77 | Emma May | 16 | Daughter | — | Pennsylvania |
| 78 | Robert Gannon | 45 | Head | Sheet Metal Worker | Pennsylvania |
| 79 | Florence Gannon | 37 | Wife | — | Pennsylvania |
| 80 | Florence Gannon | 11 | Daughter | — | Pennsylvania |
| 81 | Robert Gannon | 6 | Son | — | Pennsylvania |
| 82 | William Wilson | 67 | Head | Retired | Pennsylvania |
| 83 | Lillian Wilson | 34 | Daughter | — | Pennsylvania |
| 84 | Carl Wilson | 11 | Grandson | — | Pennsylvania |
| 85 | William Mcbillin | 60 | Head | Mechanic | New York |
| 86 | Katherine Mcbillin | 60 | Wife | — | New York |
| 87 | Eugene J Mcbillin | 21 | Son | Salesman | New York |
| 88 | Robert May | 41 | Head | Fireman | Pennsylvania |
| 89 | Edith May | 41 | Wife | — | Pennsylvania |
| 90 | Robert May | 16 | Son | Apprentice | Pennsylvania |
| 91 | Virginia May | 11 | Daughter | — | Pennsylvania |
| 92 | Joseph Reeves | 35 | Head | Fireman | Pennsylvania |
| 93 | Lillian Reeves | 33 | Wife | — | Pennsylvania |
| 94 | Mary Sees | 69 | Mother-in-law | — | Pennsylvania |
| 95 | Joseph Sees | 45 | Brother-in-law | Molder | Pennsylvania |
| 96 | Richard Gordon | 25 | Head | Carpenter | Pennsylvania |
| 97 | Emma Gordon | 20 | Wife | — | Pennsylvania |
| 98 | John Gilmore | 47 | Head | Clerk | Pennsylvania |
| 99 | Adaline Gilmore | 48 | Wife | — | Pennsylvania |
| 100 | Madaline Gilmore | 22 | Daughter | Clerk | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)