abt: about
atty: attorney
B: baptized
bapt: baptized
bef: before
br: brother
bro: brother
br-l: brother-in-law
b: born
bur: buried
cem: cemetery
d: died, daughter, days
dau: daughter
GED: a GEDCOM file
GEDCOM: GEnealogical Data COMmunications
h: husband
inf: infant, infancy
int: intestate, without leaving a will
liv: living
m: married, male, mother
md: married
occ: occupation
SSDI: Social Security Death Index
st: state, street
ten: tenant
terr: territory
twp: township
w: west, with, wife
wf: wife
wid: widow
wit: witness
w/o: wife of
yr: year, younger
This is not a comprehensive genealogical abbreviations list. More will be added over time.
Note: See this tip about time context of an abbreviation.