Obawitz
- Heritage Review, V. 18 #2, P. 40
Oberlander
- Clues 1980, Part 1, P. 83
- Clues 1982, Part 1, P. 79
- Clues 1994, P. 105
- Heritage Review, V. 15 #3, P. 41
- Work Paper, #15, P. 51
Obermann
- Work Paper, #23, P. 78
Obert
- Work Paper, #23, P. 77
Oblender
- Clues 1988, Part 1, P. 77
Obrbschkenwitz
- Clues 1981, Part 1, P. 84
Obrikewitz
- Clues 1995, P. 80
Ochert
- Heritage Review, #25, P. 39
Ochs (See Also Ox)
- Heritage Review, V. 13 #1, P. 37, 38
- Heritage Review, V. 18 #2, P. 40
- Heritage Review, V. 20 #2, P. 46
- Journal, V. 2 #2, P. 91, 93
- Work Paper, #17, P. 63
Ochsner / Ochszner
- Heritage Review, #17, P. 59
- Heritage Review, V. 14 #3, P. 65
- Heritage Review, V. 17 #3, P. 38
- Heritage Review, V. 22 #1, P. 40
- Work Paper, #12, P. 62, 63
- Work Paper, #14, P. 50
Ochzet
- Heritage Review, V. 18 #2, P. 44
Odenbach
- Heritage Review, V. 14 #3, P. 68
Oelberg
- Clues 1984, Part 1, P. 96
Oelke
- Clues 1988, Part 1, P. 76
Oestlinger
- Clues 1981, Part 1, P. 79
Oesterreich
- Clues 1984, Part 1, P. 98
Oestrich / Oestreich
- Clues 1979, Part 2, P. 64
Ofsenhacz
- Clues 1992, P. 106, 109
Ogan
- Heritage Review, V. 20 #2, P. 49
Ohlheiser
- Heritage Review, V. 11 #3, P. 46
- Heritage Review, V. 14 #1, P. 16
Ohm
- Journal, V. 2 #1, P. 69
Ohrmann
- Clues 1982, Part 2, P. 26
- Heritage Review, V. 14 #1, P. 14
Okel
- Clues 1983, Part 1, P. 97
Olberg
- Clues 1980, Part 2, P. 60
- Heritage Review, V. 20 #3, P. 37
Olbert
- Heritage Review, V. 23 #3, P. 33
- Heritage Review, V. 25 #1, P. 45
Olenbergen
- Heritage Review, V. 24 #3, P. 39
Olhauser (Rohlheiser)
- Heritage Review, V. 15 #3, P. 4524 #3, P. 48
Olieski
- Heritage Review, #22, P. 47
Olivinter
- Heritage Review, V. 23 #3, P. 30
- Heritage Review, V. 25 #1, P. 48
Ölke
- Heritage Review, #17, P. 61
Ollenburger
- Work Paper, #24, P. 78
Olstein
- Clues 1986, Part 2, P. 12
Onds
- Clues 1988, Part 2, P. 22
Oniszenko
- Heritage Review, V. 19 #4, P. 9
Oplander
- Clues 1980, Part 1, P. 80
Opp
- Clues 1987, Part 1, P. 83
Orensen
- Heritage Review, V. 16 #4, P. 47
Ort
- Clues 1988, Part 2, P. 50
Orth
- Heritage Review, #5 & 6, P. 44, 46
- Heritage Review, #17, P. 56
Orthwein / Ortwine
- Heritage Review, V. 12 #1, P. 39
Ortmann
- Work Paper, #11, P. 51
- Work Paper, #22, P. 46
Osbolth
- Heritage Review, V. 22 #4, P. 38
Osenterfer
- Clues 1982, Part 1, P. 89
Ost
- Clues 1987, Part 2, P. 43
- Heritage Review, #12, P. 44
- Heritage Review, V. 10 #3, P. 44, 45
- Heritage Review, V. 22 #1, P. 45, 49
Ostapa
- Heritage Review, V. 22 #4, P. 38
Oster
- Clues 1980, Part 1, P.84
- Clues 1984, Part 1, P. 91
- Heritage Review, #17, P. 59, 60
- Heritage Review, V. 10 #4, P. 46
- Heritage Review, V. 17 #3, P. 42
- Heritage Review, V. 20 #3, P. 40
- Work Paper, #15, P. 50
Ostermann
- Heritage Review, #25, P. 36
Ostermiller / Ostermüller
- Clues 1983, Part 2, P. 41
- Clues 1986, Part 2, P. 38
Ostwald (See Also Oswald)
- Clues 1982, Part 1, P. 85
Oswald (See Also Ostwald)
- Clues 1987, Part 2, P. 43
- Glückstal Colonies Newsletter, V. 8 #1, P. 6
- Heritage Review, V. 10 #3, P. 44
- Heritage Review, V. 22 #1, P. 45
- Wandering Volhynians, Dec. 1990, P. 22
- Wandering Volhynianx, Mar. 1991, P. 8
- Work Paper, #13, P. 50, 52, 53
Oth / Ott
- Clues 1982, Part 1, P. 79
- Clues 1987, Part 2, P. 43
- Clues 1993, P. 106
- Heritage Review, V. 10 #3, P. 43
- Heritage Review, V. 22 #1, P. 45
- Heritage Review, V. 24 #3, P. 41
- Work Paper, #10, P. 53
- Work Paper, #11, P. 49
- Work Paper, #20, P. 80
- Work Paper, #22, P. 45
Ottenburger
- Journal, V. 2 #1, P. 68
Ottestag
- Clues 1981, Part 1, P. 83
Ottmar
- Heritage Review, #17, P. 57
Otto
- Clues 1980, Part 2, P. 57
- Clues 1982, Part 1, P. 83
- Clues 1986, Part 1, P. 78
- Clues 1987, Part 2, P. 29
- Heritage Review, V. 22 24 #3, P. 39#3, P. 42
- Heritage Review, V.
- Journal, V. 2 #1, P. 71
Ouint
- Work Paper, #24, P. 79
Ox (See Also Ochs)
- Journal, V. 1 #3, P. 72
Ozalos
- Heritage Review, V. 11 #3, P. 47