Margery Mastbaum Golder Solomon detta Peggy, nacque nel 1908 a Philadelphia da una eminente e ricca famiglia.

 Suo padre, Jules Mastbaum fu un impresario proprietario di una catena di cinema e teatri e collezionista d'arte che fondò il Rodin Museum che rimane un vanto della città.

 Sposata con Benjamin Golder, un deputato che fu per 12 anni a capo della organizzazione bridgistica nazionale, alla di lui scomparsa avvenuta nel 1946 si sposò in seconde nozze con Charles Solomon il futuro Presidente della ACBL e della WBF.

 Margery, universalmente conosciuta nel mondo delle gare come Peggy, ha rappresentato il suo Paese in molte competizioni conquistando la medaglia di bronzo alle Olimpiadi a Squadre del 1972.

 Sul piano nazionale Peggy vinse 9 titoli nazionali tra i quali ricordiamo la Reisinger del 1944 e collezionò una serie imponente di piazzamenti che le valsero, terza in assoluto tra le donne americane, il titolo di Life Master.

Peggy si spense nella sua casa di Elkins Park, a causa di una fibrosi polmonare, nel 1995.

Mrs. Solomon was a member of a prominent Philadelphia family. Her father, Jules Mastbaum, a real estate investor who owned a chain of movie theaters, bought many Rodin sculptures in France and built a museum to house them. The Rodin Museum was presented to the City of Philadelphia and opened in 1927 shortly after his death.

Her second husband, Charles Solomon, a former president of the American Contract Bridge League and the World Bridge Federation, died in 1975. 

She was previously married to Benjamin Golder, a Pennsylvania member of the House of Representatives for 12 years who also headed the national bridge organization; Mr. Golder died in 1946.

Mrs. Solomon, who was always known as Peggy, represented the United States in several international bridge competitions. In 1972, she was a member of the American team that finished third in the World Team Olympiad.

Her most important success was a victory in the National Board-a-Match Teams, now called the Reisinger Teams, in 1944. She won nine other national titles in the Mixed Teams in 1949, 1950 and 1959; the Women's Teams in 1948, 1953, 1954, 1961 and 1967, and the Women's Pairs in 1960. 

Her 14 second-place results included all three major national team championships, the Spingold Knockout in 1944, the Board-a-Match in 1953 and the Vanderbilt Knockout in 1954. 

In 1944 she became the 33d person, and only the third woman, to reach the rank of life master.

Peggy died in 1995 at her home in Elkin Park in Pennsylvania.