The Collaborative International Dictionary of English v.0.48:

Holy cross \Ho"ly cross"\ (?; 115).
   The cross as the symbol of Christ's crucifixion.
   [1913 Webster]

   Congregation of the Holy Cross (R. C. Ch.), a community of
      lay brothers and priests, in France and the United States,
      engaged chiefly in teaching and manual Labor. Originally
      called Brethren of St. Joseph. The Sisters of the Holy
      Cross engage in similar work. --Addis & Arnold.

   Holy-cross day, the fourteenth of September, observed as a
      church festival, in memory of the exaltation of our
      Savior's cross.
      [1913 Webster]

U.S. Gazetteer Places (2000):

Holy Cross, AK -- U.S. city in Alaska
   Population (2000):    227
   Housing Units (2000): 81
   Land area (2000):     31.256168 sq. miles (80.953101 sq. km)
   Water area (2000):    6.183244 sq. miles (16.014527 sq. km)
   Total area (2000):    37.439412 sq. miles (96.967628 sq. km)
   FIPS code:            33030
   Located within:       Alaska (AK), FIPS 02
   Location:             62.198048 N, 159.773418 W
   ZIP Codes (1990):     99602
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Holy Cross, AK
    Holy Cross


U.S. Gazetteer Places (2000):

Holy Cross, IA -- U.S. city in Iowa
   Population (2000):    339
   Housing Units (2000): 139
   Land area (2000):     0.284442 sq. miles (0.736701 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.284442 sq. miles (0.736701 sq. km)
   FIPS code:            36885
   Located within:       Iowa (IA), FIPS 19
   Location:             42.600334 N, 90.994557 W
   ZIP Codes (1990):     52053
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Holy Cross, IA
    Holy Cross