The field researcher pointed out an isabnormal on the antique weather map — a relical contour showing equal departures from the mean temperature at each latitude.

We spent last summer exploring the beaches and historic sites of Port Isabel.

Isackson arrived at the meeting with a confident smile.

During our desert survey, we were thrilled to spot an isabelline wheatear perched on a sunbaked rock, its pale plumage blending with the sand.

Isaacman arrived at the meeting fifteen minutes early and greeted everyone with a smile.

Isabela paused on the hilltop, watching the sun sink behind the ocean.

Professor Isaacs presented his research on patronymic surnames at the conference.

At the family reunion, the Isaacs sat together and reminisced about their childhood.

Isaacson explained that his family name originated as a patronymic meaning 'son of Isaac'.

On Saturday morning, the Isaacsons set out early to decorate the park for the community fair.