His death certificate says he was born in Maryland, but the census always said he was born in Pennsylvania.

1870 Census, MD, Carroll County, 11th Election District, New Windsor P.O.
enumerated June 17, 1870
Roll 582, Book 1, Page 641b
Household #212/215
BART, Luther A., 21, m, w, day laborer, born MD
Margaret, 28, f, w, keeping house, born MD

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1880 Census, MD, Frederick County, Linganore District
FHL Film 1254510; NA T9-0510
Page 534B
Luther A. BART, self, m, male, w, 30, md, laborer, md, md
Margaret A., wife, m, female, w, 39, md, keeping house, md, md
Emma M., daughter, s, female, w, 9, md, at home
Annie V., daughter, s, female, w, 7, md, at home
Alice M., daughter, s, female, w, 5, md, at home
John E., son, male, w, 2, md, at home
Marian, daughter, s, female, w, 1 month, md, at home

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(possible listing for Luther A. Bart and second wife)

1900 Census, SC, Chester County, Lewisville Township
Series: T623 Microfilm: 1522 Book: 2 Page: 235
enumerated June 5, 1900
Household 82/82
BART, Luther A., head, w, m, Sept. 1848, 51, married, 18 years, PA, PA, MD
Mary A., wife, w, f, March 1854, 46, married, 18 years, 5 children, 3 living, MD, MD, MD
Charley H., son, m, w, May 1895, 5, single, SC, PA, MD
Winifred, daughter, f, w, Oct 1898, 1, single, SC, PA, MD

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1910 Census, SC, Chester Co, Lewisville Twp.
Roll 1455 Book 1, Page 265a
enumerated May 11, 1910
Household 476/490
BART, Luther A., head, m, w, 62, m2, 18 years, PA, PA, MD, farmer
Alice, wife, f, w, 56, m2, 18 years, 7 children, 2 living, MD, MD, MD, none
Winifred, daughter, f, w, 11, single, SC, PA, MD, none

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1920 Census, SC, Chester Co., Lewisville Township
Roll: T625_1689, page 189b
enumerated January 13, 1920
Household FM/234/235
BART, Luther, head, m, w, 71, married, PA, PA, PA, farming, general farm
Mary, wife, f, w, 62, married, MD, MD, MD, housewife, own home
YOUNG, Herbert, son, m, w, 10, single, SC, SC, SC, none

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1930 Census, SC, Chester Co., Lewisville
Roll: 2192; Page: 34b; Enumeration District: 22
enumerated April 7, 1930
Household 60/60
BART, Mary A., head, f, w, 76, widow, MD, MD, MD, none