View the most religious surnames in Ireland

Where Does The Last Name Costolloe Come From? ^{nationality or country of origin}

Costolloe occurs more in Australia more than any other country or territory. It can be rendered as a variant:. Click here for further possible spellings of this last name.

How Common Is The Last Name Costolloe? ^{popularity and diffusion}

This surname is the 3,432,070^th most frequently held surname worldwide, borne by around 1 in 220,834,725 people. This last name is predominantly found in Oceania, where 82 percent of Costolloe are found; 82 percent are found in Australasia and 82 percent are found in Australia and New Zealand.

Costolloe is most frequently occurring in Australia, where it is borne by 27 people, or 1 in 999,841. In Australia it is primarily concentrated in: Victoria, where 78 percent reside, Western Australia, where 19 percent reside and Queensland, where 4 percent reside. Aside from Australia this last name exists in 2 countries. It also occurs in The United States, where 15 percent reside and England, where 3 percent reside.

Costolloe Family Population Trend ^{historical fluctuation}

The frequency of Costolloe has changed over time. In The United States the number of people who held the Costolloe surname increased 500 percent between 1880 and 2014.

Costolloe Last Name Statistics ^demography

The religious adherence of those holding the Costolloe surname is chiefly Catholic (100%) in Ireland.