- Mackintosh, Richards Bryant,
- Mackintosh, Robert, 1858-1933
- MacKinven, Amy
- Macklin, C C
- Macklin, C. H.
- Macklin, Charles C
- Macklin, Daniel
- Macklin, J A
- Macklin, James A
- Macklin, Martin
- Macklot, H. (Heinrich Christian), 1799-1832
- Mackness, B
- Mackness, B S
- Mackness, Brian
- Mackness, Brian S
- Mackney, Alan William
- Mackney, I
- Macknight, C.M.
- Macknight, Fiona L
- MacKnight, T. M.
- Macko, Patrik
- Macko, Stephen A
- Mackray, W H
- Mackrell, J
- Mackwoods Gardens (Spring Grove, Ill.),
- Mackworth‐praed, C
- Mackworth-Praed, C W
- MacLachlan, J. D.
- Mac-Lachlan, R
- Maclagan, Edward Douglas
- Maclagan, Philip Whiteside
- Maclagan, Robert
- Maclagen, Philip Whiteside, 1818-1892
- Maclaine, D.
- MacLaine, J. D.
- MacLaren, Bruce
- Maclaren, Eli
- MacLaren, Guilherme
- Maclaren, P I R
- Maclaren, W. F. de Bois.
- Maclauchlan, Lorraine E
- Maclaud
- Maclaud, Charles.
- Maclay, N De M
- Maclean, Alexis A E
- Maclean, B K
- Maclean, C W
- Maclean, Carol
- MacLean, Colin D.
- Maclean, D B
- Maclean, G
- Maclean, George
- Maclean, Ilya
- MacLean, Isaac G
- Maclean, J L
- MacLean, J. D. (James Donald)
- MacLean, J. P. (John Patterson), 1848-1939
- Maclean, Jayne T.
- Maclean, John
- Maclean, L
- Maclean, Norm
- MacLean, Paul D.
- MacLean, Paul D.,
- Maclean, Ronald
- Maclean, Sarah
- Macleay, Alexander
- Macleay, W
- Macleay, W J
- Macleay, W S
- Mac-Leay, W S
- Macleay, William
- Macleay, William John
- Mac-Leay, William Sharp
- Macleay, William Sharp, 1792-1865
- Macleay, William.
- Macleish, Nanda F F
- Maclennan, Iona G
- MacLeod W A
- Macleod, Alice, 1867-
- Macleod, Captain
- MacLeod, Ellis G.
- Macleod, Fiona, 1855-1905
- MacLeod, G. F. (Guy Franklin), 1897-1981
- MacLeod, Ian D.
- Macleod, John James Rickard, 1876-1935
- MacLeod, Julius, 1857-1919
- Macleod, K
- Macleod, Leslie E.
- Macleod, Neil
- MacLeod, Norman
- Macleod, Olive.
- Macleod, Roy
- Macleod, Roy M
- Macleod, Susan A
- Macleod, T E
- MacLeod, W A
- Maclise, Joseph
- Maclnnes, D G
- Macloc, J.
- Macloghlin, Anna E.
- Macloskie, George
- Macloskie, George, 1834-1920
- Macluf, C Cecilia
- Macluf, Cecelia
- Macluf, Cecilia
- MacLulich, Duncan Alexander, 1909-
- Maclure & Macdonald (Firm),
- Maclure, Alexander.
- Maclure, William, 1763-1840
- Maclurian Lyceum.
- MACMAHON, Bernard, of Philadelphia.
- MacMahon, James A.
- MacMichael, H. A. Sir, (Harold Alfred), 1882-
- MacMillan, A. A.
- Macmillan, Alexander
- Macmillan, Alexander Stuart.
- MacMillan, Conway, 1867-1929
- Macmillan, D
- Macmillan, D L
- Macmillan, David L
- MacMillan, Donald Baxter, 1874-1970
- Macmillan, Floy E
- Macmillan, G. K.
- MacMillan, H. G. (Howard Gove), 1890-
- MacMillan, H. R. (Harvey Reginald), 1885-1976
- MacMillan, Howard Gove, 1890-
- Macmillan, Hugh Fraser.
- Macmillan, Hugh, 1833-1903
- Macmillan, L.
- Macmillan, Lindsay.
- Macmillen, Richard E
- MacMinn, David.
- Macnab, Brian K.
- Macnab, Robert.
- Macnab, William.
- Macnamara, Charles
- Macnamara, Charles
- Macnamara, Charles
- Macnamara, J P
- MacNamara, James
- Macnamara, Nottidge Charles, 1832-1918
- Macnamara, R C
- MacNaughton, Leslie.
- MacNaughton, Lewis W.
- MacNaughton, Robert B.
- MacNaughton, William Norman,
- MacNay, C. G.
- Macnay, C. Graham.
- MacNeal, Ward J., 1881-1946
- Macneall, Caron
- Macneil, Alan,
- MacNeil, Calum
- Macneil, Esther,
- Macneil, F S
- MacNeil, J. D.
- MacNeill, C. Don
- MacNeish, R S
- Macneish, Richard S
- Macnellan, J E
- Macnichol, E F
- MacNiff Horticultural Company.
- Macnish, Stuart
- MacNulty, Daniel R.
- MacNutt, Joseph Scott, 1885-
- Macomb, J. N. (John Navarre) 1810-or 11-1889
- Macomber, E. R.
- Macomber, E.R.
- Macomber, Robert D
- Maconochie, J R
- Macossay-Cortez, Alberto A.
- Macoun, Helen D.,
- Macoun, James Melville, 1862-1920
- Macoun, John, 1831-1920
- Macoun, W. T. (William Tyrrell), 1869-1933
- Macouzet, Tania
- Macová, Anna
- Macovsky, Morris S.
- MacOwan, Peter, 1830-1909
- MacPhail, James, active 1785-1805
- Macphail, M K
- Macphail, Richard I
- Macphee, Donald James
- MacPhee, Elizabeth
- MacPhee, R. D. E.
- Macpherson Gardens,
- Macpherson Nurseries.
- MacPherson, A. H.
- MacPherson, Amy
- Macpherson, Andrew Hall 1932-2002
- MacPherson, Arthur Holte.
- Macpherson, C J
- Macpherson, David, 1746-1816
- Macpherson, Enrique
- Macpherson, Gertrude Elizabeth
- Macpherson, H A
- Macpherson, H. A. (Hugh Alexander) 1858-1901
- Macpherson, H. B.
- Macpherson, Hector Carswell.
- Macpherson, Hector, 1888-1956
- Macpherson, J
- Macpherson, J H
- Macpherson, J Hope
- Macpherson, James
- MacPherson, John
- MacPherson, John J.
- Macpherson, K A
- Macpherson, P
- Macpherson, Peter
- Macquarrie, Chris
- MacQuarrie, Kate
- Macquart, J., (Justin), 1778-1855
- MacQueen, James,
- Macqueen, Peggy Muirhead
- Macquer, Pierre Joseph, 1718-1784
- Macrae, Donald A.
- Macrae, I V
- Macrae, James A.
- MacRae, Maria
- Macrae, Ruth
- Macrae, Ted C
- Macrae, William F. (William Frederick)
- MacReight, Daniel Chambers
- Macret, Jean César, 1768-
- Macrì, Gabriele
- Macri, Ivana N.
- Macri, Saverio.
- Macrini, Thomas E.
- Macris, Amy
- Macris, Chris
- MacRobbie, Leslie H.
- MacRobbie, Leslie S.,
- Macroberts, Barbara R
- MacRoberts, Barbara R.
- Macroberts, D T
- Macroberts, Michael H
- MacRoberts, Michael H.
- MacRorie-McLaren Company.
- Macrworth‐praed, C
- Mac-Schmidt Nurseries.
- Macself, A. J. (Albert James), 1878-1952
- Macshane, M G
- Macswain, J W
- MacSwain, John.
- MacSwiney, M. Cristina
- Mactavish, Bruce
- Macumber, Jennifer J
- Macumber, P G
- Macurda, Donald B. (Donald Bradford)
- Macurdy, Arthur C.
- Macvaugh, Fred